This New $349 AI Earbud Promises Real-Time Translation in 42 Languages

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Saturday, 06 September 2025 at 21:28
Timekettle W4 AI Interpreter
Timekettle has introduced its latest product, the W4 AI Interpreter Earbuds.
This device gives travelers and language learners a fresh option for real-time translation.
These earbuds are a more affordable version of the company’s popular W4 Pro model but come with a more traditional design.

A Familiar Design with Smart Tech

The new W4 earbuds aren’t like the W4 Pro, which was an open-ear style.
However, they come as regular earbuds that are widely known to users.
But do not let its simple look fool you, because the earbuds come with some advanced features.
One notable feature is the bone voiceprint sensors, which pick up sounds by detecting vibrations from the user’s ear.
This helps the earbuds focus on your voice, cut down background noise, and stop sound from leaking out.
Timekettle

Real-Time Translation for Smooth Conversations

The W4 earbuds are designed to make communication across languages easier. 
They support real-time translation for 42 different languages, automatically switching between speaking and listening modes.
This means conversations flow naturally without constant tapping or switching modes
It can correct tricky words that sound alike, like “two” and “too,” making translations more accurate and easier to follow.
One of the clever features carried over from the W4 Pro is the ability to share an earbud with someone else.
Each person can then hear translations directly, making it a handy tool for travelers.
This device also comes in handy for business meetings or even casual conversations with people who speak different languages.

Looking Ahead: AI Voice Cloning

Timekettle isn’t planning to focus only on voice translation but to venture into an AI-powered voice cloning feature.
According to the company, this feature will be ready in 2026.
It will give the earbuds the ability to translate spoken words and, at the same time, mimic their users' own voice.

Battery Life and Availability

The battery life of this device is pretty good, as users can enjoy up to 4 hours of continuous translation. 
It also offers up to 8 hours of uninterrupted supply of music supply on a single charge.
With the charging case, it’s a whole different level, and users can get up to 10 hours of translation and 18 hours of music.
The Timekettle W4 earbuds are now available for $349 or €349 and come in Sandy Gold and Navy Blue.
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