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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-21 · 7 min read · Independent comparison
• ASKUBSKU USB C Headphones — biggest strength: it's wired USB-C, so there's no battery, no pairing and no charging case to lose. The Hi-Res/DAC decoder chip and 20 Hz–40,000 Hz frequency range point to a lossless digital signal straight from the phone.
• ASKUBSKU USB C Headphones — biggest trade-off: no wireless freedom, and it only works with devices that have a USB-C port — no 3.5 mm fallback.
• ROEL-PLAY in-Ear Open Fit — biggest strength: the open-ear ear-hook structure never plugs your ear canal, and Bluetooth 5.4 with a stated 15 m range gives you untethered movement with claimed 98% sound-leakage reduction.
• ROEL-PLAY in-Ear Open Fit — biggest trade-off: it's a battery product, and the listed average playback life is 4 hours — you'll be charging it far more often than you'd charge a wired set.
• Who each pick is for: ASKUBSKU for USB-C phone owners who want zero-fuss, always-ready audio; ROEL-PLAY for people who hate things inside their ears, move around a lot, and want ambient awareness plus a translation/AI-call feature set.
The ASKUBSKU set is a straightforward proposition: a black, metal-bodied, semi in-ear wired earbud with a USB-C plug. What stands out in the specs is the audio chain. The Hi-Res and DAC digital decoder chip converts the digital signal from your phone directly, and the driver covers a 20 Hz to 40,000 Hz range with a bass-driver design. In plain terms, that's a wired digital connection with no Bluetooth compression in the path — the kind of setup where the sound you get is the sound your phone sends.
The ergonomics are aimed at all-day wear. It uses a 45° semi in-ear angle rather than a deep-canal seal, so it sits at the entrance of the ear instead of burrowing in. The cable is a 3.9-foot oxygen-free copper wire with anti-winding and abrasion-resistant construction, and the whole thing is described as ultra-lightweight. Controls live on the wire: a button remote for play/pause, track skipping and volume, plus a built-in mic for answering and rejecting calls. The carry case is included.
Who should buy it? Anyone with a USB-C phone or tablet who wants earbuds that are always live the second you plug them in — no pairing screen, no "battery low" beep mid-call. The compatibility list is genuinely broad, spanning recent Samsung Galaxy S and Note lines, Z Flip and Z Fold, Google Pixel, OnePlus and several tablet families, which matters because USB-C audio isn't universal across every device. Who should skip it? If you take calls while pacing around a room, or you want to leave your phone on a desk and walk away, a cable is a leash. And if your device has a 3.5 mm jack only, this simply isn't your product.
The ROEL-PLAY set takes the opposite approach. It's a wireless open-ear ear-hook earbud — the hook wraps over your auricle and the speaker sits outside the ear canal, so nothing is inserted. The housing is ABS and polycarbonate, it comes in purple, and the fit is explicitly designed around long sessions: no canal pressure, no stuffiness, and a hook that's meant to stay put through strenuous movement.
The connectivity story is Bluetooth 5.4 with a 15 m stated range. The listed improvements over older Bluetooth versions are transmission capacity, distance and penetration through obstacles — the practical takeaway being fewer dropouts when your phone is in a bag or on the other side of a wall. There's a genuinely unusual feature here too: built-in AI real-time translation, plus dual AI noise cancellation aimed at call clarity in loud places like buses, subways and busy streets. The brand claims 98% ambient noise suppression and 98% sound-leakage prevention via directional transmission and reverse sound-wave cancellation.
The honest trade-off is power. The listed average battery life is 4 hours. That's a per-charge window, not an all-day figure, and it's the single biggest practical difference between these two products. Rapid flash charging and a real-time battery level display help, but you will be managing charge.
Who should buy it? Runners, cyclists, gym-goers and commuters who want to hear traffic and conversation without pulling an earbud out. Also anyone who finds traditional in-ear tips painful after an hour. Who should skip it? Long-haul travellers and people who want to set music going and forget about it for a full workday — 4 hours won't cover that, and the open design deliberately lets outside sound in rather than sealing it out.
Side-by-Side: Which Should You Choose?
• Best for never thinking about charging → ASKUBSKU USB C Headphones. Wired USB-C means the power question doesn't exist.
• Best for the cleanest signal path → ASKUBSKU USB C Headphones. A DAC decoder chip over a wired digital connection is the more direct route to your music than any wireless codec.
• Best for workouts and outdoor movement → ROEL-PLAY in-Ear Open Fit. Stable hook fit, no cable snagging, and open ears for traffic and surroundings.
• Best for battery endurance on a single charge → ROEL-PLAY in-Ear Open Fit, with a caveat. 4 hours is the listed figure; ASKUBSKU has no battery at all, so the comparison only makes sense if you specifically want untethered playback.
• Best for calls in noisy public places → ROEL-PLAY in-Ear Open Fit. Dual AI noise reduction and wind-interference handling are aimed squarely at that scenario.
• Best for travel and commuting → depends on the trip. Short commutes favour ROEL-PLAY's open awareness; long journeys and flights favour ASKUBSKU, which never runs flat.
• Best for device compatibility breadth → ASKUBSKU USB C Headphones, provided your device has USB-C. ROEL-PLAY covers iOS, Android and Windows over Bluetooth, which is broader in one sense but adds pairing to every new device.
In my opinion, I'd buy the ASKUBSKU USB C Headphones. The reason is simple and spec-based: it has no battery to run down, no pairing step, and a wired DAC path that suits anyone who just wants reliable sound the moment it's plugged in. The ROEL-PLAY in-Ear Open Fit is the better pick for one specific person — someone who genuinely can't tolerate earbuds in their ear canal, wants to hear their surroundings, and is fine charging every few hours. If that's you, go ROEL-PLAY. If it isn't, the wired set wins on simplicity. Either way, check the current price on Amazon before you commit, since that's the one thing specs can't tell you.
By design, the ASKUBSKU uses a wired USB-C digital connection with a Hi-Res/DAC decoder chip and a 20 Hz–40,000 Hz range, so there's no wireless compression in the chain. The ROEL-PLAY uses a dual-driver dynamic setup over Bluetooth 5.4. The wired set has the more direct signal path; the ROEL-PLAY leans on driver tuning and directional sound conduction instead.
Do the ROEL-PLAY in-Ear Open Fit earbuds hurt your ears after long wear?
The listed average battery life is 4 hours. Rapid flash charging and a real-time battery level display are included to help you manage it. If you need more than a few hours of continuous playback without recharging, the wired ASKUBSKU set sidesteps the issue entirely.
It depends on your port. The compatibility list covers a wide range of USB-C Samsung Galaxy, Google Pixel, OnePlus and tablet models, but devices with only a 3.5 mm jack aren't supported. Check your charging port first — if it's USB-C, you're likely covered.
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