Timekettle W4 Pro

W4 Pro AI Interpreter Earbuds – Timekettle ｜ AI Vitamin

: Timekettle
: Shenzhen, China

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AI summary

Open-ear AI interpreter earbuds for simultaneous, phone-call, video and meeting translation, with audio/text capture, AI memo export, 52 languages and 8 offline language packs.

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 Pro	$449.00Source · Observed Sep 21, 2026

Specifications

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

Key specifications

Translation languages: 52 languages and 106 accents; 8 offline language packs
Conversation modes: Simultaneous, phone-call, video and meeting translation
Core task delivery status: Simultaneous onsite, phone-call, video and meeting translation; AI memo capture and export
Core task internet requirement: Online translation and memo features require app/cloud connection; 8 offline language packs

AI & translation

Conversation participant requirements: Works with onsite participants and online calls/meetings through the companion appOfficial product page

Capabilities & dependencies

Phone dependency: Timekettle appRequired for setup and translation
Languages and regional availability: 52 languages, 106 accents and 8 offline language packsOfficial product page

Connection & companion

Connectivity: Bluetooth and Timekettle appOfficial product page

Power & charging

Battery life: 4 hours active use; up to 20 hours with charging caseOfficial W4 Pro product page
Case battery: Up to 20 hours with the charging caseOfficial product page
Charging method: Charging caseOfficial product page

Privacy & data

Sensors and data capture: Open-ear design, three microphones and voice-reduction processingOfficial product page
Data upload and processing: Audio/text capture and AI memo generation in the companion serviceOfficial product page

Support & ownership

Warranty: 12 monthsOfficial product page
Cloud-service status: Online translation, meeting notes and AI memo/export servicesOfficial product page

What is included

In the box: W4 Pro earbuds, charging case and charging accessoriesConfirm current package contents

FAQ

What can W4 Pro translate?

W4 Pro supports simultaneous onsite, phone-call, video and meeting translation, plus AI memo capture.

How many languages does W4 Pro support?

The official product page lists 52 languages and 106 accents, with eight offline language packs.

Can W4 Pro summarize a meeting?

Yes. It can capture audio/text and generate AI meeting memos for export through the companion app.

Does W4 Pro work offline?

Selected language packs work offline; online translation and memo services require the app and a connection.