We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-03 · 7 min read · Independent comparison
If you want active noise cancelling with up to 48 hours of wireless playtime and a foldable over-ear design, choose Wentronic Y04; if you need a plug-and-play USB-C wired connection with a built-in mic, inline volume controls and a compact carry case, choose AIAUXAI USB C. These two products sit at opposite ends of the headphone spectrum, and the right one for you depends entirely on how you listen — not on which one is "better" in some abstract sense.
• Wentronic Y04 biggest strength: Active Noise Cancelling with multiple microphones plus a 48-hour battery, so you can block out a subway, plane cabin or busy street without ever reaching for a charging cable mid-trip.
• Wentronic Y04 biggest trade-off: It's an over-ear, 0.69 kg plastic design in Starlight, so it's bulkier and more conspicuous than a pocket-sized pair of earbuds — even with the foldable hinge.
• AIAUXAI USB C biggest strength: A USB Type-C plug with a high-resolution DAC chip and dynamic driver, meaning no pairing, no battery and no charging — plug in and it works.
• AIAUXAI USB C biggest trade-off: It's wired, so you're tethered to your phone, tablet or laptop, and there's no noise cancelling — you hear the world around you.
• Choose Wentronic Y04 if you want wireless freedom, long listening sessions and noise cancellation for commuting or travel.
• Choose AIAUXAI USB C if you want zero-latency, zero-battery plug-in audio for calls, meetings and everyday phone use.
The Wentronic Y04 is built around two ideas: quiet and endurance. Its Active Noise Cancelling uses multiple microphones to reduce background noise, which is the kind of feature that matters most on a noisy subway, a busy street or inside an airplane cabin. Combined with Bluetooth 5.3 wireless connectivity, you get a headphone that's designed to disappear into the background of a long journey rather than demand your attention.
Sound-wise, the Y04 uses large dynamic drivers covering a 20 Hz to 20,000 Hz frequency range. The tuning is described as clear and balanced across lows, mids and highs — bass that's present without overwhelming, natural vocals, crisp treble. That's a profile aimed at people who listen for long stretches: commutes, work-from-home afternoons, evening albums. The 48-hour battery average life is the headline number here, and it's the reason this headphone suits travellers who don't want to think about charging every night.
AIAUXAI USB C: Who It's For
The AIAUXAI USB C is the opposite philosophy: it removes every layer of friction between you and your audio. There's no pairing, no battery, no charging case to remember. You plug the USB Type-C connector into your device and sound comes out. Inside, a high-resolution DAC chip and a powerful dynamic driver handle the conversion and the output, which is exactly the combination that makes wired USB-C audio sound crisp and balanced rather than thin.
The feature set is aimed squarely at phone, tablet and laptop users. It's explicitly positioned for iPhone 17/16/15, the Galaxy S series and other USB-C devices, and the inline remote gives you a built-in HD microphone plus multifunction controls — play, pause, skip, and volume adjustment — so you can take hands-free calls and manage playback without touching your phone. That makes it a genuinely practical choice for work calls, online meetings, commuting and even kids' school use, where a wired connection is simpler and more reliable than juggling Bluetooth pairings.
The trade-offs are equally clear. This is a wired earbud, so you're physically attached to your device — fine at a desk, less ideal if you like to walk around while listening. There's no active noise cancelling, so you'll hear your surroundings. And because it relies on the USB-C port, it won't work with older devices that only have a 3.5 mm jack or Lightning connector. What you do get is a portable package: a PU storage case and a pair of soft anti-slip ear caps, so the earbuds and cable store neatly for travel, running, workouts and daily carry.
• Best for noise cancelling → Wentronic Y04. The multiple-microphone ANC is its defining feature; the AIAUXAI has no noise cancelling at all.
• Best for battery life → Wentronic Y04. A 48-hour average battery life versus a wired earbud that draws power from your device and never needs charging.
• Best for wireless freedom → Wentronic Y04. Bluetooth 5.3 means no cable between you and your phone.
• Best for plug-and-play simplicity → AIAUXAI USB C. No pairing, no charging, no setup — connect the USB-C plug and go.
• Best for calls and inline control → AIAUXAI USB C. The built-in HD mic and multifunction remote with volume adjustment are designed for hands-free calls and playback.
• Best for travel and commuting → Wentronic Y04 if you want to block out engine and crowd noise; AIAUXAI USB C if you want something that lives in a pocket-sized case.
• Best for long listening sessions → Wentronic Y04. Over-ear comfort plus a large battery suits multi-hour use; the wired earbuds are happier in shorter bursts.
• Best for older or non-USB-C devices → Wentronic Y04. Its 3.5 mm jack gives you a wired fallback the AIAUXAI simply doesn't have.
In my opinion, the Wentronic Y04 is the more versatile buy for most people. It covers more ground: active noise cancelling for noisy commutes, Bluetooth 5.3 for wireless freedom, a 48-hour battery that survives a trip without a charger, and a 3.5 mm jack as a backup when you'd rather go wired. The AIAUXAI USB C is genuinely excellent at what it does — simple, cable-powered, mic-equipped audio for USB-C phones, tablets and laptops — but it's a specialist tool. If you make a lot of calls on a USB-C device or want earbuds you never have to charge, it's the smarter pick. If you want one headphone that handles travel, commuting and long listening sessions, I'd go with the Y04.
They solve different problems. The Y04 gives you wireless Bluetooth, active noise cancelling and a 48-hour battery. The AIAUXAI gives you wired USB-C audio with a built-in mic and no charging. Neither is universally "better" — it depends on whether you want wireless freedom or plug-and-play simplicity.
No. They're wired earbuds that connect through a USB Type-C jack, so they draw what they need from your device and there's no battery to charge or pair. That's their biggest practical advantage over Bluetooth headphones.
Yes. Alongside Bluetooth wireless connectivity, the Y04 includes a 3.5 mm headphone jack, so you can use it wired when you want to — handy on a plane or when the battery is low.
The AIAUXAI USB C is purpose-built for it, with a built-in HD microphone and inline volume and playback controls. The Wentronic Y04 is designed around music and noise cancelling, so if calls are your priority, the wired earbuds are the more natural fit.
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