At a glance
- Display type
- Firefly Nano Engine (0.085 cc, monochrome green)
- Field of view
- 23.5°
- Brightness
- 1300 nits
- Weight
- 33 g
- Battery
- 48 hr
- Near-invisible display: 0.085 cc Firefly Nano Engine on a 97%-transparency Blue Lake waveguide
- 1,300 nits eye-level brightness
- No speakers — output is visual only
- Monochrome green display
RayNeo iO
RayNeo
Read the full overview$449
Buy at RayNeo Store- Field of view
- 23.5°
- Weight
- 33 g
- Battery
- 48 hr
The RayNeo iO are smart glasses with a heads-up display from RayNeo, at US retail since 2026-09-04 at $449 ($499 MSRP). They feature a Firefly Nano Engine (0.085 cc, monochrome green) display, 23.5° field of view, 1300 nits perceived brightness, and up to 48 hours of typical battery use (6.2 hours of continuous translation). Weight is 33g. RayNeo AI and Gemini are built in free; ChatGPT, Claude, DeepSeek, Kimi, and Qwen sit behind a $9.99/month VIP tier. Best for: Everyday-wear buyers who want a camera-free monochrome HUD with a choice of AI assistants.
Editorial overview
By AR Compare Team ·
Compiled from AR Compare's verified catalog record and cited coverage — AR Compare has not tested this device.
The RayNeo iO is the AI-glasses side of RayNeo’s September 2026 US launch: a 33-gram, camera-free monochrome HUD that puts its engineering into invisibility. The display is a 0.085cc Firefly Nano Engine firing into a Blue Lake optical waveguide the record puts at 97% transparency — 1,300 nits at the eye across a small 23.5-degree field — in a magnesium-aluminum body with titanium temples balanced 50:50. At US retail since September 4, 2026 at $449 (against the $499 regular price RayNeo’s store and the IFA launch PR both anchor), it is rated IP54 and pairs over Bluetooth 5.4 with Apple MFi licensing.
The assistant strategy is the record’s most unusual entry: RayNeo AI and Google Gemini come free, while a $9.99/month VIP tier opens a menu of ChatGPT, Claude, DeepSeek, Kimi, and Qwen — a multi-model approach no other catalog product records. Input runs through a Smart Crown rotary dial, head gestures, and four microphones; output is visual only, because the iO has no speakers at all — the sharpest trade on the spec sheet, alongside the monochrome green rendering. Battery is quoted at up to 48 hours of typical use, 6.2 hours of continuous translation, and 250 hours of folded standby.
Prescription buyers use the maker’s integrated flow: the iO sells complete with prescription lenses from $608 (a $159 step over the base price), glazed into the waveguide assembly rather than clipped on. For everyday wear where you want glanceable AI, notifications, and a teleprompter without a camera on your face or audio leaking from your temples, the iO is the record’s most deliberate design — provided your phone stays in Bluetooth range and you can live without sound.
Pros & cons
Pros
- Near-invisible display: 0.085 cc Firefly Nano Engine on a 97%-transparency Blue Lake waveguide
- 1,300 nits eye-level brightness
- 33 g with 50:50 weight balance, magnesium-aluminum body and titanium temples
- RayNeo AI and Gemini free, with ChatGPT, Claude, DeepSeek, Kimi, and Qwen available via VIP
- Up to 48 hours of typical battery use (250 hours folded standby)
- Smart Crown rotary dial plus head-gesture control
- IP54; Bluetooth 5.4 with Apple MFi licensing
Cons
- No speakers — output is visual only
- Monochrome green display
- Narrow 23.5-degree field of view
- No camera (by design, but rules out capture features)
- Multi-model AI (ChatGPT, Claude, DeepSeek, Kimi, Qwen) needs a $9.99/month VIP subscription
- Polar Night colorway ships gradually from September 22
Full specifications
| Optics | |
|---|---|
| Optics type | waveguide |
| Transparency level | 97% transparency |
| Prescription support | ✓ Yes |
| Prescription options | Prescription lenses in the frame, from $608.00 USD with prescription lenses ($449 base — +$159) |
| Not published: Dimming control | |
| Physical | |
| Weight (g) | 33 |
| Foldable | ✕ No |
| IP rating | IP54 |
| Not published: Frame style, Color options | |
| Battery & power | |
| Battery life (hours) | 48 |
| Not published: Charging method, Charging time | |
| Connectivity | |
| Connectivity | Bluetooth 5.4 (Apple MFi licensed) |
| Compatible devices | iOS, Android |
| Not published: Tethered | |
| Sensors & input | |
| Camera | ✕ No |
| Microphones | 4 |
| Speakers | ✕ No |
| Voice control | ✓ Yes |
| Not published: Tracking, Gesture control | |
| AI | |
| AI assistant | RayNeo AI + Gemini free; ChatGPT, Claude, DeepSeek, Kimi, Qwen via VIP ($9.99/mo) |
| Not published: AI model, Wake word, AI capabilities | |
Prescription options
The documented prescription routes for the RayNeo iO, from the maker and named-partner documentation recorded in our database.
- Prescription lenses in the frame, from $608.00 USD with prescription lenses ($449 base — +$159) — range not published by the maker Source: rayneo.com documentation
Maker documentation as recorded 2026-09-17. Ranges are the maker's published limits, not medical advice — confirm your exact prescription with your optician before ordering.
Read the RayNeo prescription guide for every documented option, model by model.
Where to buy
Price checked
RayNeo iO specs: quick answers
- What is the RayNeo iO's field of view?
- The RayNeo iO has a 23.5-degree field of view.
- How bright is the RayNeo iO's display?
- The RayNeo iO has a rated peak brightness of 1300 nits.
- How much does the RayNeo iO weigh?
- The RayNeo iO's glasses weigh 33g according to the manufacturer specification.
- How long does the RayNeo iO's battery last?
- The RayNeo iO is rated for about 48 hours of battery life.
- Does the RayNeo iO have an AI assistant?
- Yes, the RayNeo iO includes the RayNeo AI + Gemini free; ChatGPT, Claude, DeepSeek, Kimi, Qwen via VIP ($9.99/mo) AI assistant.
- How much does the RayNeo iO cost?
- The RayNeo iO costs $449.
RayNeo iO: FAQs
How much does the RayNeo iO cost?
The RayNeo iO costs $449 (USD). It is available from 2 retailers listed on this page.
What field of view does the RayNeo iO have?
The RayNeo iO has a recorded field of view of 23.5 degrees.
How much does the RayNeo iO weigh?
The RayNeo iO weighs 33g according to the manufacturer specification.
How long does the battery last on the RayNeo iO?
The RayNeo iO has a rated battery life of 48 hours.
Can I use the RayNeo iO with prescription lenses?
Yes, the RayNeo iO supports prescription lenses. The recorded diopter range is Sold with prescription lenses from $608 (RayNeo store); range undocumented.
What devices work with the RayNeo iO?
The RayNeo iO lists compatibility with: iOS, Android.
Is the RayNeo iO worth it?
The RayNeo iO is priced at $449 (USD). For that you get a 23.5-degree field of view, 1300 nits of brightness, and 48 hours of rated battery life. It weighs 33g. The full spec breakdown on this page shows what the price includes.
Similar products
What shoppers cross-check with the RayNeo iO — from our navigation records and closest spec matches.
Ranked in these buying guides
Where the RayNeo iO lands in our recorded-spec rankings.
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