Smart Glasses Buying Guide: How to Choose the Right Pair

Smart glasses have finally crossed the line from novelty to everyday utility. Whether you’re chasing hands-free photos, discreet turn-by-turn directions, a portable private screen, or true augmented reality at work, choosing the right smart glasses can feel like picking a laptop: there are categories, specs, trade-offs, and practical constraints that matter in daily life. This guide simplifies the landscape so you can match your budget, device ecosystem, and real-world needs to the best option—without buyer’s remorse.

Legal & safety note: Recording laws vary widely, and some environments prohibit cameras. Always respect privacy, obey local regulations, and avoid wearing display-equipped eyewear while driving or during any task that requires full attention.

Who this is for: Creators, commuters, athletes, travelers, students, professionals, and IT buyers comparing camera-first “AI glasses,” media/display glasses, and enterprise-grade AR.

What you’ll learn: The four smart-glasses categories, the key specs that actually matter (and what to ignore), how to test fit/comfort, privacy and safety best practices, a step-by-step buying process, metrics to track your results, a 4-week starter plan, and answers to common questions.

Key takeaways

• Start with use cases, not hype. Pick between camera-first AI glasses, media/display glasses, or true AR headsets based on what you actually do daily.
• Comfort beats specs. Weight, nose pads, and fit determine whether you’ll wear them for hours; numbers on a page don’t.
• Battery and charging cases define the experience. Total runtime (device + case) matters more than per-charge estimates.
• Privacy is a feature. Look for visible recording indicators, easy muting, and robust controls; follow the “ask first” rule.
• Measure success. Track usage hours, moments captured, tasks completed hands-free, and eye-strain scores to validate your purchase.
• Try before you buy. Use the field-test checklist in-store (or within the return window) to confirm comfort, audio, camera, and app reliability.

Quick-Start Checklist (Read This First)

1. Choose your category:
   • Camera-first AI/capture (hands-free photos, livestreams, voice assistant).
   • Media/display (private big-screen viewing via Micro-OLED displays).
   • Enterprise AR (industrial workflows, collaboration, training overlays).
2. Confirm compatibility: Check your phone/OS, app requirements, and cable/adapter needs.
3. Fit & comfort trial: Wear for 15+ minutes. Check weight at the bridge, temple pressure, and slippage when walking.
4. Battery reality check: Verify per-charge runtime and case-assisted total hours.
5. Privacy controls: Ensure clear recording lights, quick mic mute, and easy access to captured media.
6. Prescription plan: If you need Rx, confirm frames/lens inserts or third-party options before purchasing.
7. Return policy: Make sure you have 14–30 days to field-test in real life.

The Smart-Glasses Landscape: Pick Your Category First

What it is & benefits
Smart glasses fall into three broad groups:

1. Camera-first AI/capture glasses. Lightweight eyewear that looks like normal sunglasses or optical frames but adds a camera, microphones, open-ear speakers, and a voice assistant. Ideal for POV capture, calls, walking directions, and quick knowledge lookups.
2. Media/display glasses. Wearable “personal cinema” that projects a virtual screen from Micro-OLED displays—great for flights, commuting, or gaming without a TV. Often no outward-facing camera.
3. Enterprise AR headsets. Mixed-reality computers with spatial mapping for work: remote assist, guided workflows, training, and 3D visualization. Heavier, costlier, and usually for business.

Requirements & low-cost alternatives

• Camera-first: a compatible smartphone, companion app, and Wi-Fi/Bluetooth. Low-cost alt: use a phone lanyard mount for POV capture to test if hands-free video is really useful to you.
• Media/display: USB-C video output or HDMI adapter; some features may require a companion device or app. Low-cost alt: try a foldable phone stand with wired earbuds for “private screen” to validate the habit.
• Enterprise AR: IT support, device management strategy, and training. Low-cost alt: pilot with rentals or VAR demos before purchase.

Step-by-step: choose your category

1. List top five tasks you expect to do weekly.
2. Map each task to a category (capture vs. display vs. AR).
3. Rank tasks by frequency × impact.
4. Pick the category that covers at least 3 of your top 5 tasks.

Beginner modifications & progressions

• Start with daytime photography and calls (camera-first), short sessions (15–30 min) on media glasses, or a single guided workflow (AR).
• Progress to livestreams, long-haul flights with media glasses, or multi-department AR rollouts.

Recommended frequency/metrics

• Camera-first: 30–60 minutes/day; metrics—clips captured/week, hands-free tasks completed, call clarity scores.
• Media/display: 1–2 sessions/day; metrics—eye-strain rating before/after, session duration, content completed.
• Enterprise AR: daily work sessions; metrics—task time, error rate, first-time-fix rate.

Safety & common mistakes

• Don’t wear display-equipped eyewear while driving.
• Avoid testing privacy-sensitive features (camera/mic) without consent.
• Don’t assume enterprise headsets are “just glasses”—they’re computers that need IT enablement.

Mini-plan example

1. Decide your category. 2) Verify device compatibility. 3) Book a demo or order with a return window.

Camera-First AI & Capture Glasses: What to Look For

What it is & benefits
These look like fashionable eyewear but add a camera, microphones, open-ear speakers, and voice assistant control. Modern models offer livestreaming, visible recording indicators, and charging cases that extend total runtime.

Requirements & low-cost alternatives

• A recent iOS/Android phone, Wi-Fi, and the companion app.
• Low-cost alternative: smartphone head-mounts or neck-straps to test POV filming before investing.

Step-by-step: evaluate features

1. Camera: Look for at least 12MP stills and stabilized 1080p+ video.
2. Audio: Test call clarity outdoors; wind handling matters.
3. Controls: Verify hands-free voice triggers and reliable touch gestures.
4. Battery: Confirm per-charge hours and total with case.
5. Ecosystem: Check livestreaming support and where media auto-backs up.
6. Comfort: Try multiple nose pads; test walking, nodding, and stairs.

Beginner modifications & progressions

• Start with 30–60 second clips in bright light; build to longer sessions and livestreams.
• Begin with default lenses; if successful, invest in prescription or transitions.

Recommended frequency/metrics

• Daily short sessions. Metrics: calls per day, usable clips per week, time saved vs. pulling out a phone.

Safety, caveats & mistakes

• Always get permission before recording others.
• Expect IP ratings to be splash-resistant at best; don’t submerge.
• Don’t rely on “AI summaries” as your only memory—export and label clips.

Mini-plan example

1. Film a 60-second walk-and-talk in daylight. 2) Take a call outside. 3) Livestream privately to test workflow.

Media/Display Glasses: Your Personal Big Screen

What it is & benefits
Display glasses use Micro-OLED projectors to create a crisp, private virtual screen—great for movies, remote work, or gaming on the go. Many support up to 1080p per eye and high refresh rates, with brightness controls and lens dimming for comfort.

Requirements & low-cost alternatives

• USB-C video output on your phone/laptop or an HDMI adapter; some advanced modes require a dedicated companion device.
• Low-cost alternative: Try a folding privacy hood or a 7–8″ travel monitor to validate “private screen” needs.

Step-by-step: evaluate features

1. Resolution & refresh: Aim for 1080p/eye and up to 120 Hz for gaming.
2. Brightness & dimming: Check outdoor legibility and electrochromic dimming levels.
3. Weight & balance: Under ~85 g is wearable for long flights, but bridge fit matters most.
4. Audio: Built-in speakers are convenient; test leakage and clarity.
5. Compatibility: Confirm USB-C DP Alt-Mode, iOS adapters, console docks, or companion devices.
6. Prescription strategy: Look for frame lenses or snap-in inserts.

Beginner modifications & progressions

• Start with 20–30 minute sessions; add dimming in bright cabins; escalate to full-movie viewing and multi-hour work.

Recommended frequency/metrics

• Use for flights/commutes or focused sessions. Metrics: session length, eye-strain score, content completed, posture comfort.

Safety, caveats & mistakes

• Don’t walk around with displays on; sit or stand still.
• Use breaks to reduce eye strain (see the 20-20-20 rule).
• Expect some dependency on cables/adapters; pack smart.

Mini-plan example

1. Watch a 20-minute show. 2) Game for 10 minutes. 3) Adjust dimming and nose pads until comfortable.

Enterprise AR Headsets: Industrial-Grade Mixed Reality

What it is & benefits
Enterprise devices overlay holograms in your environment for guided workflows, remote assist, spatial collaboration, and training. They’re invaluable for field service, manufacturing, healthcare, and visualization.

Requirements & low-cost alternatives

• Budget for hardware, software licenses, and IT administration.
• Pilot with a single workflow; rent or get a partner demo before purchasing fleet units.

Step-by-step: plan a pilot

1. Identify a high-volume task with measurable outcomes (e.g., first-time-fix rate).
2. Train a small user group (technicians or trainees).
3. Capture baseline KPIs, then run the pilot for 2–4 weeks.
4. Review results and scale or pivot.

Beginner modifications & progressions

• Begin with remote assist; progress to step-by-step guides, then fully custom applications.

Recommended frequency/metrics

• Daily use during relevant tasks. Metrics: task time, rework rate, training time, safety incidents.

Safety, caveats & mistakes

• Heavier hardware can cause fatigue; plan duty cycles.
• Spatial mapping needs clear, well-lit environments; enforce device-care SOPs.

Mini-plan example

1. Equip a lead tech. 2) Run remote assist on three jobs. 3) Review impact and user feedback.

Optics & Displays: Resolution, Field of View, Brightness

What it is & benefits
Display-equipped glasses rely on tiny Micro-OLED panels and waveguide optics to project a crisp image. Key variables are resolution, refresh rate, brightness, and field of view (FOV).

Requirements & low-cost alternatives

• Ensure your device outputs compatible video signals; some advanced features need a companion unit.

Step-by-step: pick your optical profile

1. Resolution: For media, 1080p per eye provides sharp text and video.
2. Refresh rate: 90–120 Hz helps with smooth scrolling and gaming.
3. Brightness & dimming: Verify you can see the image in a lit cabin and dim it in a dark room.
4. FOV: Larger FOV feels more immersive, but fit affects perceived size—try before you judge on paper.
5. Color & calibration: If you edit photos/video, look for factory calibration and low-blue-light certifications.

Beginner modifications & progressions

• Start with default brightness and refresh; optimize later for comfort or battery savings.

Recommended frequency/metrics

• Track perceived clarity (1–5), reading speed, and motion comfort.

Safety & mistakes

• Extended viewing may cause eye fatigue—use frequent breaks.
• Don’t push brightness unnecessarily; aim for just-enough luminance.

Mini-plan example

1. Read a five-paragraph article. 2) Watch a 10-minute video. 3) Adjust brightness and note eye-strain score.

Cameras, Audio & Privacy

What it is & benefits
Cameras capture POV photos/video; microphones and open-ear speakers enable calls, voice assistants, and ambient awareness.

Requirements & low-cost alternatives

• Stable Wi-Fi/cellular for uploads/livestreams; quiet environments for voice commands.

Step-by-step: pick the right capture stack

1. Camera: Favor stabilized 1080p or higher for clean daily clips; check recording length limits.
2. Microphones: Seek multi-mic arrays and wind reduction; test calls outdoors.
3. Audio: Open-ear audio allows awareness; evaluate leakage in quiet spaces.
4. Controls: Confirm “tap to mute” and visible recording indicators.

Beginner modifications & progressions

• Use short clips first; add live comments and voice control later.

Recommended frequency/metrics

• Clips captured/week, failed recordings, call quality ratings, and ambient-noise tolerance.

Safety & mistakes

• Always ask before recording; avoid restricted places.
• Learn where recordings save and how to delete them quickly.

Mini-plan example

1. Record a 30-second clip in wind. 2) Make a call on a busy street. 3) Test voice commands indoors.

Comfort, Fit & Prescriptions

What it is & benefits
Fit determines whether you’ll actually wear smart glasses. Weight distribution at the bridge and temples, nose-pad options, and frame shape matter more than almost any spec line.

Requirements & low-cost alternatives

• Have your pupillary distance (PD) on hand. If you need prescription lenses, confirm options before purchase.

Step-by-step: test comfort

1. Wear the glasses for 15 minutes while reading and walking.
2. Check for nose soreness, temple pressure, and slippage.
3. Try alternate nose pads and temple adjustments.
4. If using media/display glasses, verify you can see the entire image without moving your head.

Beginner modifications & progressions

• Swap to lighter lenses (polycarbonate or high-index).
• Add strap accessories for workouts.

Recommended frequency/metrics

• Comfort score after 15/45/90 minutes; number of adjustments per day.

Safety & mistakes

• Don’t overtighten; pressure headaches are real.
• If you experience persistent blur or dizziness, stop and rest.

Mini-plan example

1. Fit session in store. 2) 20-minute reading test. 3) 30-minute walk-and-talk.

Battery, Charging & Travel

What it is & benefits
Per-charge battery life varies, but charging cases can dramatically extend total hours. If you travel, understand power-bank rules and pack the right adapters.

Requirements & low-cost alternatives

• USB-C charging and a reliable wall brick; optional power-bank within airline limits.

Step-by-step: power planning

1. Check device-only runtime and case-assisted total hours.
2. Map your day: capture bursts vs. continuous display sessions.
3. Pack a compact charger and a compliant spare battery if needed.

Beginner modifications & progressions

• Use “airplane day” as a power test: gate-to-gate usage with one wall charge at layover.
• Progress to livestream days with a power-bank.

Recommended frequency/metrics

• Track average hours/day, case top-ups, and time-to-full.

Safety & mistakes

• Follow airline guidance for spare lithium-ion batteries (carry-on only within watt-hour limits).
• Don’t leave eyewear charging under cushions or in direct sun.

Mini-plan example

1. Full charge overnight. 2) Use 2 hours in mixed mode. 3) Recharge from the case; log total time achieved.

Compatibility, Apps & Ecosystem

What it is & benefits
Companion apps handle setup, updates, media management, livestreaming, and voice features. Display glasses depend on video-out compatibility and, in some cases, a companion device for spatial features.

Requirements & low-cost alternatives

• Confirm your phone’s OS version and whether it supports USB-C DisplayPort Alt-Mode or needs adapters.

Step-by-step: ecosystem fit

1. Verify your phone and OS.
2. Confirm required app and account.
3. For display glasses, list the devices you’ll connect (phone, laptop, console).
4. If you need 6DoF features, check whether a companion unit is required.

Beginner modifications & progressions

• Start with media backup to phone; add cloud later.
• Start with mirrored displays; add spatial mode when comfortable.

Recommended frequency/metrics

• App crash count, sync success rate, and connection time from pocket-to-view.

Safety & mistakes

• Keep firmware updated.
• Don’t sideload untrusted apps or grant unnecessary permissions.

Mini-plan example

1. Install the app. 2) Pair and update firmware. 3) Record a test clip or mirror your screen.

Budget & Value: Price Bands and What You Get

What it is & benefits
Understanding price tiers prevents over-spend:

• $250–$500: Camera-first AI glasses or entry media glasses; good cameras, solid audio, charging cases, 1080p displays.
• $500–$900: Higher-end display glasses with better optics or advanced features; some 6DoF with companion devices.
• $3,000+ (enterprise AR): Standalone computers for business workflows.

Requirements & low-cost alternatives

• Consider warranty, accessory costs (adapters, prescription lenses), and potential subscriptions.

Step-by-step: ROI thinking

1. Put a price on time saved (e.g., not pulling out a phone, faster training).
2. Value private viewing (flight hours, hotel productivity).
3. For business, quantify task time reduction and error rates.

Beginner modifications & progressions

• Start with the lower tier; upgrade if you hit feature limits and wear them daily.

Recommended frequency/metrics

• Cost per hour of actual use over 90 days; replacement/return likelihood.

Safety & mistakes

• Don’t buy “for future features.” Choose what works today.

Mini-plan example

1. Pick a budget ceiling. 2) Shortlist 3 models. 3) Field-test and keep the winner.

Try-Before-You-Buy: A 30-Minute Field Test

What it is & benefits
A structured test reduces returns and ensures you’ll actually wear your smart glasses.

Requirements

• In-store demo or at-home test within return window.

Step-by-step

1. Comfort (10 min): Wear while reading and walking; note pressure points.
2. Audio (5 min): Place a call outside the store; rate wind handling.
3. Camera (5 min): Record two 30-second clips—daylight and backlit scenes.
4. Controls (5 min): Use voice wake words, capture, and playback.
5. Ecosystem (5 min): Pair with your phone, confirm app login and media backup.

Beginner modifications & progressions

• If unsure, repeat test at a different time of day (lighting/noise conditions).

Recommended metrics

• Comfort 1–5, call clarity 1–5, stabilization 1–5, app reliability 1–5.

Safety & mistakes

• Don’t test cameras on people without consent.
• Avoid walking while viewing an active display.

Mini-plan example

1. Book demo. 2) Run the five checks. 3) Decide same day; reorder if needed.

Setup & Calibration: Day-One to Day-Seven

What it is & benefits
Proper setup improves comfort, audio, and reliability.

Requirements

• Companion app, Wi-Fi, charger, and your PD if doing prescription.

Step-by-step

1. Unbox and update firmware.
2. Fit: swap nose pads, adjust temples, clean lenses.
3. Privacy settings: set LED indicator, auto-save, mic mute gestures.
4. Connectivity: enable backups; test a call and a short recording.
5. Display only: calibrate brightness/dimming; confirm device compatibility.
6. Enterprise AR: enroll in device management, test remote assist.

Beginner modifications & progressions

• Start with short sessions; add longer tasks after day three.

Recommended frequency/metrics

• Setup time, first-week crashes, and successful uploads.

Safety & mistakes

• Don’t skip firmware updates.
• Store in a hard case; avoid hot cars.

Mini-plan example

1. Update and fit. 2) Lock privacy defaults. 3) Capture or view a “day in the life.”

Measuring Results: KPIs That Matter

• Usage hours/day (device + display sessions).
• Hands-free tasks completed (checklists, calls, step-by-steps).
• Media yield (usable clips/photos per session).
• Comfort & eye-strain scores (1–5, before/after sessions).
• Enterprise KPIs (task time, error rate, first-time-fix).

Track weekly for four weeks to validate your purchase.

Troubleshooting & Common Pitfalls

Connectivity drops

• Re-seat the Bluetooth/Wi-Fi connection; update firmware and the companion app; test a different cable for display glasses.

Windy call audio

• Cup a hand near the mic in a pinch; step behind shelter; check wind-reduction settings.

Shaky video

• Shorten clips, brace your head/neck, and record in better light for higher shutter speeds.

Eye strain

• Reduce brightness, use the 20-20-20 break rule, and shorten sessions the first week.

Battery anxiety

• Track real-world hours; rely on the charging case and a compliant power-bank for travel.

Privacy missteps

• Keep recording LED on; announce when recording; ask first.

A Simple 4-Week Starter Plan

Week 1 — Fit, Familiarity, and Safety

• 15–30 min/day. Update firmware, perfect the fit, and set privacy defaults.
• Practice two core actions (capture + call) or (display + dimming).
• Log comfort and eye-strain scores.

Week 2 — Daily Habit

• 30–60 min/day. Film short clips or watch a full episode.
• Test outdoors, backlit scenes, and a phone call in traffic noise.
• Start syncing media to cloud or refining display setups.

Week 3 — Advanced Use

• 60–90 min/day. Try a private livestream or a long-haul viewing session.
• Add workflow steps (enterprise) or multi-device switching (display glasses).
• Update KPIs and adjust accessories (prescription inserts, straps, cables).

Week 4 — Validate ROI

• Compare KPIs to baseline (time saved, content produced, task metrics).
• Decide: keep, exchange for a different category, or return.

Frequently Asked Questions

1. Are smart glasses safe for my eyes?
   Display models use low-power Micro-OLED. As with any screen, take regular breaks, reduce brightness in dark environments, and stop if you feel fatigue.
2. Can I wear smart glasses with prescription lenses?
   Yes—some frames accept direct prescriptions, and many display glasses support snap-in inserts. Confirm availability before buying.
3. What about water resistance?
   Most camera-first and lifestyle models are splash-resistant, not submersible. Treat water as the enemy unless the product specifies a higher rating.
4. Do I need a powerful phone?
   Camera-first models need a recent iOS/Android device for setup, media sync, and AI features. Display glasses mainly need video output compatibility (USB-C DP Alt-Mode or adapters).
5. How long does the battery last?
   Expect a few hours per charge for continuous use; charging cases often extend total use across the day. Always check both numbers.
6. Can I livestream from smart glasses?
   Some camera-first models support livestreaming to major social platforms. Verify this in the product details before purchase.
7. Will people know I’m recording?
   Responsible designs include an indicator light. Keep it on and announce when recording; always obtain consent where appropriate.
8. Are enterprise AR headsets overkill at home?
   For most consumers, yes. They shine in professional workflows. If you need a personal “big screen,” media/display glasses are lighter, cheaper, and simpler.
9. Do smart glasses work on airplanes?
   Display glasses are excellent on flights. Carry charging gear and ensure any spare batteries comply with airline watt-hour limits.
10. How do I reduce shaky footage?
    Use short clips, stabilize your posture, and shoot in good light. Some models offer electronic stabilization—test it outdoors.
11. What if I feel dizzy or get headaches?
    Stop immediately, rest your eyes, and resume with shorter sessions at lower brightness. If symptoms persist, discontinue use and consider consulting an eye-care professional.
12. Can I use them for workouts?
    Light jogging or gym sessions may be fine with secure fit; avoid high-impact sports unless the frame is designed for it and you’ve confirmed stability.

Model-Specific Clues (Examples to Inform Your Shortlist)

• Recent camera-first releases include lightweight frames, visible recording indicators, multi-mic arrays, and charging cases that provide up to a day-and-a-half of total use alongside social livestreaming and voice assistant features.
• Media/display glasses commonly offer 1080p per eye, high refresh rates (up to 120 Hz), and electrochromic lens dimming at weights suitable for long sessions.
• Enterprise AR options list battery life in hours (not days), precise weight, and industrial safety certifications; expect deliberate fit adjustments and short duty cycles.

When you shortlist, match these clues to your priorities: comfort first, then capability.

Conclusion

Picking the perfect pair of smart glasses is less about chasing specs and more about matching your routine to the right category—camera-first for hands-free moments and calls, media/display for a portable private screen, or enterprise AR for professional workflows. Nail the fit, verify compatibility, respect privacy, and measure results for four weeks. If your glasses save time, help you capture more, or make work easier, they’re the right ones.

CTA: Ready to decide? Use the field-test checklist above today and commit to the 4-week plan—your best-fit smart glasses will reveal themselves fast.

References

• “Introducing the New Ray-Ban | Meta Smart Glasses,” Meta Newsroom, September 27, 2023 (updated October 3, 2023). https://about.fb.com/news/2023/09/new-ray-ban-meta-smart-glasses/
• “Meta AI glasses | Ray-Ban® USA,” Ray-Ban (product collection page; features and up to 36-hour total use with charging case). https://www.ray-ban.com/usa/ray-ban-meta-ai-glasses
• “Discover Ray-Ban | Meta AI Glasses: Specs & Features,” Ray-Ban (tech specs overview; water resistance and battery details). https://www.ray-ban.com/usa/discover-ray-ban-meta-ai-glasses/clp
• “META WAYFARER Sunglasses (RW4006) — Tech Specs,” Ray-Ban (product page listing battery, storage, Wi-Fi, and phone requirements). https://www.ray-ban.com/usa/electronics/RW4006ray-ban%20%7C%20meta%20wayfarer-black/8056597988377
• “XREAL Air 2 Ultra — Specifications,” XREAL US Shop (1080p per eye, up to 120 Hz, 52° FOV, weight). https://us.shop.xreal.com/products/xreal-air-2-ultra
• “XREAL Air 2 Pro — Specifications,” XREAL US Shop (1080p per eye, up to 120 Hz, 46° FOV, weight). https://us.shop.xreal.com/products/xreal-air-2-pro
• “Field of View,” Magic Leap 2 Developer Documentation (45°H × 55°V, ~70° diagonal). https://developer-docs.magicleap.cloud/docs/device/hardware/fov/
• “HoloLens 2 hardware,” Microsoft Learn (battery life, weight, sensors; last updated March 13, 2023). https://learn.microsoft.com/en-us/hololens/hololens2-hardware
• “IP code (Ingress Protection),” Wikipedia (overview of IP ratings and meanings; IEC 60529 context). https://en.wikipedia.org/wiki/IP_code
• “Computer vision syndrome,” American Optometric Association (20-20-20 break guidance). https://www.aoa.org/healthy-eyes/eye-and-vision-conditions/computer-vision-syndrome
• “PackSafe — Lithium Batteries,” Federal Aviation Administration (spare battery limits and rules; updated February 21, 2025). https://www.faa.gov/hazmat/packsafe/lithium-batteries
• “Batteries Carried by Airline Passengers” (PDF), Federal Aviation Administration (0–100 Wh allowed, 101–160 Wh with airline approval). https://www.faa.gov/hazmat/packsafe/resources/airline-passengers-batteries
• “Glass Enterprise Edition Announcement FAQ,” Google Support (discontinuation; support ending September 15, 2023). https://support.google.com/glass-enterprise/customer/answer/13417888
• “Meta’s Oakley Smart Glasses Have 3K Video—Watch Out, Ray-Ban,” WIRED, July 2025. https://www.wired.com/story/metas-oakley-smart-glasses-have-3k-video-watch-out-ray-ban
• “Oakley Meta HSTN camera review: expectations vs. reality,” Android Central, July 2025. https://www.androidcentral.com/gaming/virtual-reality/oakley-meta-hstn-camera-review