Leion Hey2

Leion Hey2 AI Translation Glasses | Real-Time Captions ｜ AI Vitamin

: Beijing LLVision Technology Co., Ltd.
: Beijing, China

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AI summary

Leion Hey2 combines a camera-free, 49 g glasses frame with quad-microphone speech capture, AR translation and captions in 100+ languages, teleprompter and conversation summaries, with up to eight hours of use and a companion phone app.

Reference pricing

Published prices for United States. AI Vitamin does not set prices or sell devices. Check the source for current prices, taxes and terms.

Hardware options

Option	Listed price
Leion Hey2	$549.00Source · Observed Oct 5, 2026

AI membership

Option	Listed price
Leion Pro — 120 minutes	$9.90
Leion Pro — 1,200 minutes	$49.90
Leion Pro — 6,000 minutes	$199.90

Source · Observed Oct 5, 2026

Specifications

Key hardware details first, followed by the complete product specification.

Key specifications

Weight: 49 g
Display capability: AR subtitles displayed in the glasses; adjustable text size, brightness, position and line display.
Camera: Camera-free design; no photo or video camera.
Microphones: Quad-microphone array for speech capture.

Optics & frame

Prescription lens compatibility: Prescription lens options available; custom lenses have separate eligibility and return conditions.

AI & translation

Translation languages: 100+ languages and accents.
Conversation modes: Real-time translation, live speech-to-text captions and bidirectional conversations.
AI assistance: Conversation summaries and contextual AI assistance.
Teleprompter: Displays prepared scripts in the AR view.
Translation latency: Product page advertises less than 0.5 seconds; the FAQ advertises as low as 200 ms. These are manufacturer claims.
Translation accuracy: Manufacturer advertises up to 98%; no independent accuracy result is supplied on the reviewed page.

Power & charging

Battery life: Up to 8 hours of continuous use.
Case battery: FAQ lists 12 extra recharges and 96 hours of extended use; the product page advertises up to two weeks with the charging case.
Charging method: Charging case with USB Type-C cable.

Connection & companion

Compatible platforms: HEY companion app for iOS and Android.
Companion app functions: Language settings, conversation history and firmware updates.

Capabilities & dependencies

Core task internet requirement: Wi-Fi or phone mobile data is recommended. The current FAQ advertises offline packs for selected languages; older localized guidance says a networked phone is required. Confirm pack and firmware availability.
Phone dependency: HEY phone app connects and synchronizes the glasses.
Activation markets and conditions: Leion Pro activation uses the glasses product serial number and support assistance.
Paid translation access: Leion Pro is sold as minute packs: 120, 1,200 or 6,000 minutes; the observed options are not described as recurring monthly subscriptions.

Privacy & data

Sensors and data capture: Speech is captured by microphones; conversation history can be synchronized with the HEY app.

What is included

In the box: Hey2 glasses, charging case, Type-C cable, quick-start guide and microfiber pouch.

Support & ownership

Warranty: 1-year limited warranty for Hey2; prescription and fit exclusions apply.
Security-update status: Firmware updates are managed through the HEY companion app.

FAQ

How does Leion HEY2 translate in real time?

LLVision describes quad-microphone speech capture and translated text on an AR display; its FAQ claims latency as low as 200 ms.

Does it work offline?

The current FAQ lists downloadable offline packs for selected languages and recommends Wi-Fi or mobile data. Older localized guidance differs, so confirm supported packs and firmware with Leion.

Can I connect Leion HEY2 to my phone?

The HEY app supports iOS and Android and manages languages, conversation history and firmware.

How long can I use HEY2 on a single charge?

Leion lists up to eight hours per charge and 12 further charges from the case.

What is included when I order?

Glasses, charging case, Type-C cable, quick-start guide and microfiber pouch.

What warranty do I get?

Hey2 has a one-year limited warranty. Lens coverage follows the model warranty; customer prescription errors, fit issues and scratches are excluded.

Can I return or exchange custom prescription lenses?

Custom lens cancellation is limited to 24 hours after ordering. Once fabrication starts, change-of-mind returns are excluded; defects and statutory remedies remain covered.