For In-Depth Cross-Language Communication
W4 AI Interpreter Earbuds
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Intelligent, Personalized, Evolving Al Translation

Faster, Clearer, Smarter

Timekettle's BoostClean noise isolation and TurboFast 4-channel processing filter out distractions in real-time, enabling instant response and ensuring every word lands with crystal clarity.

Applicability Of LLM Models

Auto-Correct, Say What You Really Mean

Start "ship it" and stop "skip it", save a million-dollar misstep.

LLM-powered correction catches 85% of homophone disasters -turning contract landmines into closed deals.

Al Semantic Segmentation

No More Getting Lost Mid-Speech

In fast-paced speeches or live presentations at work, the self-developed Al Semantic Segmentation identifies natural pause points in lengthy speeches. It starts translating, just one sentence behind you, catching pauses like a human interpreter.

150+ Global Servers

Global Mobility, Local - Network Latency

Designed for business travelers, it ensures
uninterrupted communication across trade shows,
remote offices, or any global destination. Deliver rock - solid
translation stability and near - zero latency.

AI Voice Cloning

Let People Hear you, Not the Translator

When robotic tones flatten "I miss you", Al Voice Cloning carries your laughter and sighs across 42 languages, ensuring your loved ones communicate with you, not the robot.

*Upcoming in 2026

Translate Accurately In The Crowd

At roaring trade shows or crowded streets, with a Bone-Conduction sensor and directional microphones, isolate your voice through 100dB of noise and capture it with over 90% accuracy, so no shout goes unheard

Real-Time Translation, Before You Finish Speaking

When every word matters in contracts or consultations, our 0.2s Al-powered precision and homophone correction deliver near-zero error rates

Multilingual Online & Offline Translation

42 Languages and 95 Accents

W4 provides online translation for 42 languages and 95 accents, covering 85% of the world's population. The earbuds are designed to adapt to various dialects and variations, allowing you to easily navigate new environments and communicate with locals.

42 Languages

Arabic / Bulgarian / Cantonese / Catalan / Chinese / Croatian / Czech / Danish / Dutch / English / Finnish / Filipino / French / German / Greek / Hebrew / Hindi / Hungarian / Icelandic / Indonesian / Italian /Japanese / Korean /Malay / Norwegian / Polish / Portuguese / Romanian / Russian / Slovak / Slovenian / Spanish / Swedish / Tamil / Telugu / Thai / Turkish / Ukrainian / Urdu / Vietnamese / Burmese / Persian

95 Accents

13 Pairs of Languages Offline Translation Package

42 Languages & 95 Accents

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

Arabic

Bulgarian

Bengali

Burmese

Cantonese

Catalan

Chinese

Croatian

Czech

Danish

English

Filipino

Finnish

French

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

German

Greek

Hebrew

Hindi

Hungarian

Icelandic

Indonesian

Italian

Japanese

Korean

Malay

Norwegian

Polish

Portuguese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

Persian

Romanian

Russian

Slovak

Slovenian

Spanish

Swedish

Tamil

Telugu

Thai

Turkish

Ukrainian

Urdu

Vietnamese

View Detailed Language Table

Speak 42 Languages to the World, Talk Globally

Supports 42 languages and 95 accents, covering over 95% of global regions, so you can start a real conversation with anyone, anywhere.

Streamline Workflows, Elevate Efficiency, And Secure Deals.

W4 maintains eye contact while correcting critical terms, such as "buy/bye," in real-time-translating contracts recording terms, and auto-generating memos. Seal deals with zero loss in translation.

Allow Cultural Differences, And Let Love Speak Freely.

Share an earbud to capture Grandma's jokes and sighs effortlessly. Our natural expression, Al adapts idioms and tones, turning fragmented chats into shared laughter.

Precise Medical Terms Eliminates Mix-Ups.

W4 isolates medical terms through clinic chaos, ensuring "appendicitis" isn't heard as "indigestion". Real-time dual monitoring keeps diagnoses accurate.

Pay Once, Lifetime Upgrades

No recurring fees, single payment gets you unlimited free updates for life, access to all future features & tech updates.

Lightweight Design

Pocket-sized and sleek with a fingerprint-resistant matte coating.

Ergonomic Bone Fit

An extra 30° tilt in the stem brings a snugger fit - no adjustments needed, just better capture.

Full-Day Power

4H of active use and 20H from the charging case support all-day translation.

Compare

Which translator earbuds is made for you ?

Compare them and choose the best version for your needs.

Features

First Bone-Conduction AI Interpreter Earbuds, Dual-Mixed Voice Pickup

First Open-Ear Design Interpreting Earbuds, Phone Call & Video Translation Available

Real-time Simultaneous Interpretation

Audio-Video Translation

FAQs

What are the advantages of the W4 AI Interpreter Earbuds compared with translation earbuds of other brands?

Why are the earbud stems of the W4 AI Interpreter Earbuds crooked?

Which languages and accents does the translation of the W4 AI Interpreter Earbuds support?

How is the sound pickup effect of the W4 AI Interpreter Earbuds?

What scenarios is the One-on-One conversation mode of the W4 AI Interpreter Earbuds suitable for?

Can the W4 AI Interpreter Earbuds be used for listening to music and making calls?

Do all the functions of the W4 need to be used with an internet connection?

In what situations should I use the offline translation of the W4 AI Interpreter Earbuds?

What are the special features of the Timekettle APP connected to the W4 AI Interpreter Earbuds?

How do I use the Listen & Play (listening translation + speaker) mode of the W4 AI Interpreter Earbuds?

How many color options are there for the W4 AI Interpreter Earbuds?

What is the speaker size of the W4 AI Interpreter Earbuds, and what is the sound quality?

How long is the battery life of the W4 AI Interpreter Earbuds?

How do I pair the W4 AI Interpreter Earbuds with my mobile phone?

Which mobile phone systems are supported by the W4 AI Interpreter Earbuds?

What is the Bluetooth version of the W4 AI Interpreter Earbuds, and what are their advantages?

How do I turn on the translation function of the W4 AI Interpreter Earbuds?

What should I pay attention to when charging the W4 AI Interpreter Earbuds?

What is the wearing method of the W4 AI Interpreter Earbuds? Is it comfortable to wear?

What are the appearance, size, and weight of the W4 AI Interpreter Earbuds?

How is the sound leakage prevention performance of the W4 AI Interpreter Earbuds?

Can the translation records of the W4 AI Interpreter Earbuds be exported? How?

Do the W4 AI Interpreter Earbuds have an active noise-canceling function?

How is the daily call noise-reduction effect of the W4 AI Interpreter Earbuds?

What accessories are included in the packaging of the W4 AI Interpreter Earbuds?

What are the biggest differences between the W4 and the W4 Pro?

What are the biggest differences between the W4 and the WT2 Edge?