Timekettle W4

W4 AI Interpreter Earbuds – Timekettle ｜ AI Vitamin

: Timekettle
: Shenzhen, China

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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.

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
W4	$279.20Source · Observed Sep 21, 2026

AI membership

Option	Listed price
W4 Unlimited Plan (iOS)	$14.99 / month

Check manufacturer plans · Membership price source not recorded · Observation date not recorded

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.