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2-way Simultaneous Interpreting
✓
✓
Application
Timekettle App
None, Stand-alone device
Simultaneous Translation
For One-on-One
20 People in 5 Languages
Voice Call
✓
✓
Music Playing
✓
✗
Simul Mode
2-way
Multi-way
Phone Calling
✓
✗
Media Translation
✓
✓
Fit
Open Ear
Half in-ear
Environment Noise Cancellation
VNC
VNC
Mics
Triple
Dual
Charging Time
1.5H
2H
Translation Period / Single Charge
6H
8H
Full Charging for Earbud
1H
45Min
Music Period
12H
✗
Time to Market
2024.09
2024.01
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Which translator earbuds is made for you ?
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2-way Simultaneous Interpreting
✓（For One-on-One）
✓
Voice Call
✓
✗
Music Playing
✓
✗
Phone Calling
✓
✗
Media Translation
✓
✗
Fit
Open Ear
Half in-ear
ENC for Phone Call
✓
✗
Environment Noise Cancellation
VNC
VNC
Mics
Triple
Dual
Charging Time
1.5H
1.5H
Translation Period / Single Charge
6H
3H
Full Charging for Earbud
1H
1H
Music Period
12H
✗
Time to Market
2024
2021
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Which translator earbuds is made for you ?
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Features
Innovative Multi-Language, Multi-User AI Hub for Simultaneous Interpretation
Class-leading Simultaneous Interpreting Earbuds for Deeper Conversations and Immersive Experience.
Simultaneous Translation
20 People in 5 Languages
6 People in 2 Languages
Application
None, Stand-alone device
Timekettle App
2-way Simultaneous Interpreting
✓
✓
Voice Call
✓
✗
Simul Mode
Multi-way
2-way
Listen & Play
✓
✓
Ask & Go
✓
✓
Battery Storage
3200mAh
500mAh
Environment Noise Cancellation
VNC
VNC
Voice Activity Detection
Recurrent Neural Network VAD
Recurrent Neural Network VAD
Mics
Dual
Dual
Battery Life Per Charge
12H
3H
Continuous Standby Time
168H
12H
Time to Market
2024
2021
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Occasions
Deep and long communications with friends or business partners
Short conversations abroad and entertainment functions
How many persons can use earbuds at the same time？
6
2
Simultaneous Two-way Interpretation
✓
✗
Simultaneous One-way Interpretation
✓
(up to 6 persons)
✓
Speaker Mode
✓
✓
Music Playing
✗
✓
Phone Calling
✗
✓
Translation Controls
Hands Free
Touch Required
Price
$299.99
$119.99
Mic Quantities
Dual Mics
Dual Mics
Voice Pick-up Algorithm
Vector Noise Cancellation
Beamforming
Smart Sentence Segmentation
RNNVAD（Recurrent Neural Network Voice Activity Detection）
RNNVAD（Recurrent Neural Network Voice Activity Detection）
Charging Time
1.5h
1.5h
Continuous Translation Time
3h
7.5h
Battery Life with Charging Case
12h
25h
Fit
Half in-ear
In-ear
Voice Activity Detection
✗
✓
Active Noise Cancellation
✗
✓
Time to Market
2021
2022
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One-Click Translation
✓
✓
Photo Translation
✓
✓
Offline Translation
✓ (31 sets of offline translation pairs)
✓ (13 sets of offline translation pairs)
Delay in Translation Voice Playback
0.2s
> 2s
Offline Translation Delay
0.2s
> 2s
Offline Translation Accuracy Rate
90%
70%
Built - in AI Edge Model
✓
×
Translation Modes
One-click Translation, Ask for Directions Assistant, Chat Translation，Listening mode
One-click Translation, Ask for Directions Assistant, Chat Translation，Listening mode
Multifunctional Modes
World Clock, Real - time Exchange Rate, Voice Memo
World Clock, Real - time Exchange Rate, Voice Memo
Running Memory
4G
1G
Storage Space
32G
8G
Speakers
Dual speakers
Dual speakers
Microphones
Dual microphones
Dual microphones
System Languages
10 Languages: English, Spanish, Chinese, Japanese, German, French, Korean, Russian, Thai, Simplified Chinese
10 Languages: English, Spanish, Chinese, Japanese, German, French, Korean, Russian, Thai, Simplified Chinese
Charging Time
1 hour
1 - 5 hours
Continuous Usage Time
3 - 4 hours
3 - 4 hours
Standby Time
7 days
7 days
Timekettle X1 vs. W4 Pro: Best Translation Earbuds 2025 Comparison
Navigating a world rich in different languages and cultures requires equipment that can easily eliminate the limitations of verbal exchange. A pioneer in AI-based language translation gadgets, Timekettle has revolutionized how to connect and speak globally.
With a focus on accuracy, comfort, and flexibility, Timekettle has brought two modern items that stand out from their lineup – the X1 AI Interpreter Hub and the W4 Pro AI Interpreter Earbuds. These also are considered as the best translator earbuds in 2025 by our users. These translator devices promise to redefine real-time verbal exchange to satisfy every business and personal need.
