AI summary
Bone-conduction AI interpreter earbuds that translate 52 languages and 106 accents in real time, isolate speech in noisy environments and add offline packs, auto-correction and private app-based conversations.
Pricing
Hardware options
| Option | Price | Notes |
|---|---|---|
| W4 | $279.20 | — |
AI membership
| Option | Price | Notes |
|---|---|---|
| W4 Unlimited Plan (iOS) | $14.99/month | — |
Specifications
Key hardware details first, followed by the complete product specification.
Key specifications
- Core task delivery status
- Real-time conversation translation across 52 languages and 106 accents
- Core task internet requirement
- App/cloud connection for online translation; 13 offline language pairs
- Languages and regional availability
- 52 languages, 106 accents and 13 offline language pairs
- Connectivity
- Bluetooth and Timekettle app
Capabilities & dependencies
- Phone dependency
- Timekettle appRequired for setup and translation
Power & charging
- Battery life
- 4 hours active use; up to 20 hours with charging caseOfficial W4 product page
- Case battery
- Up to 20 hours with the charging caseOfficial W4 product page
- Charging method
- Charging caseOfficial product page
Privacy & data
- Sensors and data capture
- Bone-Voiceprint Sensor, two microphones and noise isolationOfficial product page
- Data upload and processing
- App-based translation with private conversation processing; conversations not used for training/sharedOfficial privacy statements
Support & ownership
- Warranty
- 12 monthsOfficial product page
- Cloud-service status
- Online translation services and optional W4 Unlimited planOfficial product page
What is included
- In the box
- W4 earbuds, charging case and charging accessoriesConfirm current package contents
FAQ
How many languages and accents does W4 translate?
W4 supports 52 languages and 106 accents, with 13 language pairs available offline.
Can W4 translate without an internet connection?
Selected language pairs can work offline; online translation and other cloud features need the Timekettle app and a connection.
How long does W4 last?
The earbuds provide about four hours of active use and up to 20 hours with the charging case.
How does W4 protect conversations?
Timekettle describes private app-based translation and states that conversations are not used for training or shared.
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