What Are Smart Glasses and What Can They Do?

A few years ago, smart glasses were either clunky developer kits or a punchline. Now they look like ordinary frames, sell in optical shops, and you have probably sat across from someone wearing a pair without noticing. That last part is exactly why people search for them: some want to buy a pair, and others want to know whether the person at the next table is recording.

This guide covers what smart glasses are, the main types on the market, what they can and can’t do well, and the privacy etiquette that comes with wearing a camera on your face.

What smart glasses are

Smart glasses are eyewear with electronics built into the frame. Depending on the model, that can include a camera, microphones, small open-ear speakers in the arms, a touch panel, a battery and, on some models, a tiny display that projects information into one or both lenses.

Most smart glasses are not standalone computers. They pair with a phone app over Bluetooth and Wi-Fi, and the phone handles setup, storage, software updates and much of the internet connection. Many now include a voice assistant powered by a large language model, which is why makers increasingly call them “AI glasses.”

It helps to separate smart glasses from headsets. A headset such as Apple Vision Pro or Meta Quest covers your eyes and can show full 3D worlds. Smart glasses are meant to be worn all day in public and give you smaller, glanceable features. Our guide to VR vs AR vs mixed reality explains where each sits on the spectrum.

The 3 main types of smart glasses

Camera and audio glasses

This is the most common type today. Meta’s Ray-Ban Meta line is the best-known example. Meta says Ray-Ban Meta (Gen 2), launched in September 2025 starting at $379, records video at up to 3K resolution and lasts up to 8 hours with typical use, with the charging case adding up to 48 more hours. Meta also sells sport-focused Oakley Meta models.

You control them with a button, a touch strip on the arm or your voice. Ask the assistant what you’re looking at, have it read a sign, or start a hands-free video of your kid’s first bike ride.

Display glasses

Display glasses put a small, transparent screen in your field of view. Meta Ray-Ban Display, announced on September 17, 2025 and sold in the US from September 30, 2025, costs $799 including the Meta Neural Band, a wristband that reads muscle signals from small finger movements so you can control the glasses without touching them. Meta rates the glasses at up to 6 hours of mixed use.

Google is building its own platform, Android XR, for both headsets and glasses. At Google I/O 2025 it said all Android XR glasses will have a camera, microphones and speakers, with an in-lens display as an option, and named Gentle Monster and Warby Parker as its first eyewear partners, alongside an expanded partnership with Samsung. Launch timing and pricing for those glasses have shifted in news reports, so check Google’s and the brands’ own announcements before planning a purchase.

Tethered screen glasses

Some glasses, from makers such as XREAL, plug into a phone, laptop or handheld game console and show what looks like a large screen floating in front of you. They’re popular for watching video on planes and for private laptop work, but they aren’t designed to be worn while walking down the street.

Key takeaway: “Smart glasses” covers very different products. Decide whether you want a hands-free camera and assistant, glanceable information in your view, or a portable big screen, and shop within that type.

What smart glasses can actually do

Here’s what current models do well, and where they still fall short.

Capture photos and video from your point of view. This is the headline feature for camera glasses. It’s useful for parents, travelers, creators and anyone who wants to stay in the moment rather than hold up a phone. Video is often vertical to suit social apps.

Play audio and handle calls. Open-ear speakers let you hear music, podcasts and calls while staying aware of traffic and conversations around you. They leak some sound at higher volumes, so they aren’t private in a quiet room.

Answer questions about what you see. AI assistants can describe a scene, read text, identify landmarks or translate a menu. Answers are helpful but not always right, so double-check anything that matters, such as allergens or medication labels. If you’re curious how these assistants work, see our explainer on small language models and on-device AI.

Translate and caption. Some models offer live translation spoken in your ear, and display models can show captions in the lens. This varies by language and region.

Help with accessibility. Be My Eyes launched on Ray-Ban Meta glasses on November 13, 2024, letting blind and low-vision users call a sighted volunteer by voice, who can see through the glasses’ camera. In March 2026, Be My Eyes and Meta expanded this to calls with trusted contacts and some companies’ support teams.

Show navigation and messages (display models). Turn-by-turn directions and message previews in your view are where display glasses shine, because you don’t have to look down at a phone.

What they can’t do yet: replace your phone, run full apps like a laptop, or show rich 3D graphics the way a headset can. Battery life is measured in hours, not days, and heavy video recording drains it faster.

Smart glasses at work

Businesses are testing smart glasses for tasks where hands are busy:

• Field service and repairs. A technician can stream their view to a remote expert who talks them through a fix.
• Warehouses and logistics. Hands-free instructions and checklists. Our guide to AI in logistics and supply chain covers the wider picture.
• Content and marketing. Point-of-view clips for social media, product demos and behind-the-scenes footage.
• Training. Recording an expert’s view of a procedure to use with new hires.

Before rolling glasses out to staff, set a written policy for where cameras may be used, how footage is stored and who can see it. Treat glasses like any other company device: enroll them, keep them updated and know how to wipe them when an employee leaves.

Privacy and etiquette for wearers

A camera on your face changes how others feel around you, even when you aren’t recording. Meta says its glasses use a white capture LED that blinks while photos are taken and stays on for video, and that the camera is automatically disabled if the glasses detect the LED has been covered or tampered with. That helps, but a small light is easy to miss in sunlight or a busy room.

Good etiquette goes further than the hardware:

1. Ask before you record people, especially in close conversation. Say it out loud: “Mind if I film this?”
2. Take them off or switch them off in private spaces, such as restrooms, locker rooms, medical offices and other people’s homes, unless you’ve been invited to record.
3. Respect “no recording” signs in gyms, theaters, schools, courtrooms and workplaces.
4. Don’t record children who aren’t yours without a parent’s permission.
5. Be careful with audio. Federal wiretap law generally allows recording a conversation if you are a party to it or one party consents, but some states, including California, require consent from everyone in a confidential conversation. This is not legal advice; check the rules in your state.
6. Think before posting. Blur faces and license plates when sharing footage that captures bystanders.
7. Review your own data settings. Check what the companion app stores, whether voice recordings or images are used to improve AI services, and how to delete them.

If you run a business, it’s reasonable to post a policy about recording on your premises, just as many already do for phones.

How to choose a pair: where to start

1. Pick the job first. Hands-free capture and audio point to camera glasses. Directions and captions point to display glasses. A portable big screen points to tethered glasses.
2. Check prescription support. Many frames accept prescription lenses, but ranges and costs vary by model and retailer. Ask an optician before you buy.
3. Try them on in a store. Fit, weight and how the display looks to your eyes vary a lot between people.
4. Confirm phone compatibility. Most work with both iPhone and Android, but some features depend on your phone and region.
5. Compare battery life and the case. Rated hours assume typical use. If you plan to record a lot, expect less.
6. Read the privacy settings before day one. Decide what you’re comfortable sharing and turn off what you don’t need.
7. Check the return policy. Smart glasses are personal, and the first week tells you whether you’ll actually wear them.

Comparing other wearables too? Our guides to smartwatches vs fitness trackers and how to choose wireless earbuds cover devices that overlap with what smart glasses do.

Conclusion

Smart glasses have become wearable, everyday eyewear with a camera, speakers and an AI assistant, and display models are starting to put directions and captions right in your view. They’re best for hands-free capture, audio and quick answers, not for replacing your phone. Choose the type that fits your job, try the fit before you buy, and wear them with the same courtesy you’d want from others: ask before you record, and take them off where cameras don’t belong. For other unfamiliar terms, check the glossary.

Sources

• Meta Newsroom: Ray-Ban Meta (Gen 2) — Gen 2 price, 3K video, battery and charging case figures
• Meta Newsroom: Meta Ray-Ban Display and Meta Neural Band — announcement and US launch dates, $799 price, EMG wristband, battery life
• Meta: AI glasses privacy — capture LED behavior and camera disabling when the LED is covered or tampered with
• Google: Android XR glasses at I/O 2025 — camera, microphones, speakers, optional display, Gentle Monster, Warby Parker and Samsung partnerships
• Be My Eyes: Be My Eyes on Ray-Ban Meta — accessibility integration and launch date
• Cornell Law LII: 18 U.S.C. 2511 — federal one-party consent rule for recording conversations