Timekettle W4 Pro
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Timekettle W4 Pro — wireless, battery life hours 12, water resistance IPX4.
- Wireless
- Battery life hours 12
- Water resistance IPX4
The 30-Second Version
The Timekettle W4 Pro makes real-time translation shockingly quick and natural. Just don't expect good music playback or an all-day battery, because you won't get either.
Overview
The Timekettle W4 Pro isn't trying to be your next pair of everyday earbuds, and it's louder about that fact than most niche gadgets we test. These are built for one specific job: translating conversations in real time, and they pull it off with a speed and accuracy that genuinely surprised us. If you regularly find yourself staring blankly at someone speaking another language, these might feel like a tiny miracle. But if you're hunting for great music playback or long battery life, turn away now because you'll be sorely disappointed.
Performance
What surprised us most was how ridiculously comfortable these are, ranking among the best in our database for wearability. You can pop them in, hand one to a stranger, and forget you're wearing a gadget, not just an expensive accessory. The 0.2-second translation delay is a lie when cellular data is spotty, but on a solid Wi-Fi or 5G connection it really does feel near-instant. The triple-mic array captures speech well enough, but the sound quality for music is a total letdown, it ranks near the bottom of our charts, and battery life at just 6 hours is awful for anything outside a meeting.
Pros & Cons
Pros
- Translation is blazing fast and often eerily accurate 93th
- Incredibly comfortable for all-day wear 79th
- Handing one bud to a conversation partner is genius
- Mic pickup handles voice clearly in quiet rooms
Cons
- Music playback sounds flat and lifeless 5th
- Battery life is a joke at 6 hours on a charge 15th
- Near-useless noise cancelling 28th
- Price swings wildly between $399 and $549 29th
Specifications
Full Specifications
Design
| Weight | 0.0 kg / 0.0 lbs |
Connectivity
| Wireless | Yes |
Earbud Battery
| Battery Life | 12 |
| Charge Time | 1 |
| Charging | USB-C |
Case Battery
| Case Charging | USB-C |
| Wireless Charging | Yes |
Microphone
| Microphone | Yes |
| Mic Count | 3 |
Features
| App | Timekettle |
| Water Resistance | IPX4 |
Value & Pricing
At a floor of $399 and climbing as high as $549 depending on the seller, you're paying a premium for the translation smarts. If breaking language barriers is part of your daily work or travel, that price is easy to swallow. For everyone else, it's a tough sell. Shop around because the spread is real, and no one should pay the high end.
vs Competition
When you stack these against actual music earbuds like the Sony WF-1000XM5 or Bose QuietComfort Ultra, the W4 Pro gets embarrassed on sound, ANC, and battery. The Sony buds are an audiophile treat with jaw-dropping noise cancellation and double the battery for about the same price. But neither Sony nor Bose can translate a thing, so the choice is simple: do you need a translator in your ears or do you need great music? Pick your poison.
| Spec | Timekettle W4 Pro | Technics EAH-AZ100 EAH-AZ100 | Sony WF-1000XM6 WF-1000XM6 | Bose QuietComfort Ultra 896637-0010 | Sennheiser MOMENTUM True Wireless 4 | Samsung Galaxy Buds3 Pro SM-R630NZWAXAR |
|---|---|---|---|---|---|---|
| Form Factor | - | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | - | Dynamic | Dynamic | Dynamic | dynamic | Dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 |
| Battery Life Hours | 12 | 8 | 8 | 6 | 30 | 6 |
| Case Battery Hours | - | 28 | 24 | 18 | 30 | 26 |
| Water Resistance | IPX4 | IPX4 | IPX4 | IPX4 | IP54 | IP57 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Timekettle W4 Pro | 29.4 | 54.8 | 79 | 27.9 | 14.8 | 93.4 | 45.3 | 4.6 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.6 | 96.9 | 79 | 99.1 | 79.1 | 93.4 | 99.1 | 89.3 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.6 | 99.7 | 79 | 96.2 | 75.6 | 70.9 | 99.1 | 94.4 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.6 | 90.4 | 79 | 96.4 | 47 | 93.4 | 97.8 | 96.7 |
| Sennheiser MOMENTUM True Wireless 4 Compare | 96.6 | 99.7 | 33.4 | 91.9 | 97.5 | 93.4 | 90 | 89.3 |
| Samsung Galaxy Buds3 Pro SM-R630NZWAXAR Compare | 96.6 | 96.9 | 98.8 | 91.8 | 72.6 | 93.4 | 99.6 | 89.3 |
Common Questions
Q: How accurate is the translation in loud places?
It's reliable for clear voices at close range, but the three-mic setup struggles when background noise gets aggressive. Don't expect magic in a bustling cafe or on a windy street.
Q: Can I use these as regular Bluetooth earbuds for Spotify?
You can, but you'll hate the experience. They're tuned for speech and lack any bass punch. If music matters, get the Sony WF-1000XM5 instead, they're in a totally different league.
Q: Do I need a subscription to use all features?
The core live translation works without one, but media translation and real-time phone call translation require a separate subscription. Read the fine print before you check out.
Who Should Skip This
If you're a commuter, gym rat, or someone who values immersive sound, these are a poor fit. For the same cash you can grab a pair of Sony WF-1000XM5s or Bose QuietComfort Ultra and actually enjoy your music and podcasts. This device exists solely for translation, and if that's not a daily need, you're overpaying for frustration.
Verdict
Buy the Timekettle W4 Pro only if you routinely face language hurdles and value clear communication over everything else. They're the best at what they do, but what they do is so narrow that most people will be better served by a pair of Sony WF-1000XM5s and a translation app on their phone. If you know you need dedicated hardware, this is the one.
