How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a wired, volume-limited over-ear headphone built specifically for school-age kids and USB-C tablets, choose Candy Bila USB C Kids; if you need a two-pack of wireless, fabric headband headphones for sleeping, travel and workouts, choose ZRUHIG 2-Pack.
• Candy Bila USB C Kids — biggest strength: a true over-ear kids' headphone with a 40 mm dynamic driver, a stated 85 dB safe-volume ceiling, an adjustable headband and a folding design, wired over USB-C.
• Candy Bila USB C Kids — biggest trade-off: it's wired and USB-C only, so it needs a USB-C source, and there's no noise control or wireless mode at all.
• ZRUHIG 2-Pack — biggest strength: you get two wireless Bluetooth 5.4 headband headphones in one pack, with ultra-thin flat speakers, a magic-tape adjustable fit and breathable, moisture-wicking fabric.
• ZRUHIG 2-Pack — biggest trade-off: the flat headband speakers sit against the ear rather than around it, so this is a low-profile listening band, not a proper over-ear headphone — and it's rechargeable, so it needs charging.
• Who each pick is for: Candy Bila USB C Kids for a child who needs one durable wired pair for class, homework and USB-C tablets; ZRUHIG 2-Pack for adults (or a household of two) who want comfortable, pressure-free audio for sleep, yoga, running and travel.
The Candy Bila USB C Kids is a single, purpose-built pair of over-ear headphones. The design signals that clearly: circle-shaped over-ear cups in light yellow, an ABS plastic enclosure, and a weight of 160 g, which is light enough that a younger child shouldn't feel weighed down by it. The headband is adjustable, and the whole thing folds, which matters more than it sounds — a folding headphone fits into a school bag or a backpack pocket instead of getting crushed loose at the bottom.
On the audio side, the numbers tell you what kind of listener this is aimed at. There's a 40 mm dynamic driver with a 32 ohm impedance and a 20 Hz–20,000 Hz frequency range, so it can handle the full spread of speech, music and video audio. The stated sensitivity is 85 dB, and the product is positioned as an 85 dB safe-volume kids' headphone — the idea being that a child's listening level is capped at a more conservative point rather than left to whatever they drag the slider to. In my opinion, that's the single most useful feature here for a parent, especially for a kid who uses headphones for long stretches of classwork or reading practice.
Connection is wired, over USB-C, and that's the whole story — no Bluetooth, no dongle, no 3.5 mm jack. It's built for USB-C iPads, tablets and laptops, so it's a good match for a modern classroom or a tablet-based homework setup. There is no noise control of any kind, so don't expect isolation or active cancellation; this is a straightforward stereo headphone.
Who should skip it: anyone who needs wireless freedom, anyone whose devices still use a 3.5 mm jack, and any adult who wants a fuller, more isolating over-ear experience — the 85 dB ceiling and the kids-first framing make it a poor fit for loud, immersive listening.
ZRUHIG 2-Pack: Who It's For
The ZRUHIG 2-Pack is a completely different animal, and it's worth being honest about that. These are sleeping headphones — a soft fabric headband with ultra-thin flat speakers sewn in, rather than cups that sit around your ears. The point of that design is pressure relief: nothing presses into the ear canal, and because the speakers are so thin, side sleepers can lie on their ear without a hard shell digging in. That's the core reason this category exists at all.
You get two of them in one pack, which is the most practical thing about the listing. The fit is handled by a magic-tape adjustable closure rather than a rigid slider, so it snugs down to different head sizes for men and women and stays put during restless sleep, running or workouts. The fabric is breathable and moisture-wicking, which keeps it from turning into a sweaty band overnight, and it's described as gentle on ears and hair — a real consideration if you wear it for eight hours at a time.
Audio is wireless via Bluetooth 5.4, which means fast pairing and a stable connection to a phone or tablet, and the band is Type-C rechargeable. It's washable once you remove the speaker module, which is a sensible bit of housekeeping for something that lives against your skin. Use cases are broad by design: sleep, meditation, yoga, jogging, flights. It's not an over-ear headphone and doesn't pretend to be one — there's no cup, no seal, and no isolation, so it's for quiet, personal listening rather than blocking out a plane cabin.
Who should buy it: anyone who wants to fall asleep to audio without ear pain, side sleepers especially, plus travelers, yoga and running regulars, and households that want two bands so one can be charging or washing while the other is in use. A 1-year warranty is included.
Who should skip it: anyone expecting proper over-ear sound, deep bass or noise isolation. And if you want one device for a child's school tablet, this isn't it — that's the Candy Bila's job.
• Best for a kid's school setup → Candy Bila USB C Kids. Over-ear cups, 85 dB stated safe volume, adjustable and folding, USB-C wired.
• Best for sleep and side sleeping → ZRUHIG 2-Pack. Ultra-thin flat speakers and breathable fabric mean no in-ear pressure.
• Best for wireless freedom → ZRUHIG 2-Pack. Bluetooth 5.4 with Type-C charging; the Candy Bila has no wireless mode.
• Best for plug-and-play reliability → Candy Bila USB C Kids. No pairing, no battery, no charging — plug into a USB-C port and it works.
• Best for two people at once → ZRUHIG 2-Pack. Two complete headbands in the box versus one headphone.
• Best for workouts and travel → ZRUHIG 2-Pack. Magic-tape fit, moisture-wicking fabric, washable speaker-free band.
• Best for a volume-capped child listener → Candy Bila USB C Kids. The 85 dB sensitivity spec is the whole reason to pick it.
• Best for full-size over-ear feel → Candy Bila USB C Kids. 40 mm dynamic drivers and over-ear cups are a different listening experience from a flat headband speaker.
These two don't really compete for the same buyer, so my recommendation splits cleanly. If I were buying for a child who uses a USB-C iPad or tablet at school, I'd buy the Candy Bila USB C Kids — the over-ear fit, the 40 mm driver, the stated 85 dB volume framing and the folding adjustable headband are exactly what that job needs, and wired means nothing to charge and nothing to pair. If I were buying for myself for sleep, yoga or travel, I'd buy the ZRUHIG 2-Pack — two wireless headbands, a pressure-free flat-speaker design and breathable washable fabric are simply the right tool for lying down with audio on. For most shoppers the honest answer is that the ZRUHIG covers more everyday adult situations, while the Candy Bila wins the one situation it was designed for. Check the current price on Amazon before deciding, since that's the one variable that can flip a close call.
how to adjust headphones on iphone
Adjusting headphones on an iPhone depends on how they connect. The Candy Bila USB C Kids is wired over USB-C, so there's no iPhone setting to fiddle with — you control level from the app or the iOS volume slider once it's plugged into a compatible USB-C device. The ZRUHIG 2-Pack pairs over Bluetooth 5.4, so you adjust it from the Bluetooth output and volume controls after pairing. Neither model has its own app-based EQ in the specs.
how to adjust headphones
For fit, the Candy Bila USB C Kids uses an adjustable headband you slide to size, and it folds for storage. The ZRUHIG 2-Pack uses a magic-tape adjustable closure instead, which you tighten or loosen to your head shape — that's the whole adjustment mechanism, and it's what keeps the band in place during sleep or running. Both are adjusted by hand; there are no motorized or app controls listed.
how to adjust headphones volume
Volume is handled at the source, not on the headphones. The Candy Bila USB C Kids has a stated 85 dB sensitivity and is positioned as a safe-volume kids' headphone, so the ceiling is intentionally conservative — you raise or lower it from the connected tablet, laptop or iPad. The ZRUHIG 2-Pack has no listed inline controls, so you adjust volume from your phone or tablet over Bluetooth 5.4.
how to adjust headphones sound
There's no built-in equalizer or sound-shaping control on either product. The Candy Bila USB C Kids gives you a 40 mm dynamic driver, 32 ohm impedance and a 20 Hz–20,000 Hz range, so tone comes from whatever you're playing and any EQ in your device or app. The ZRUHIG 2-Pack has no listed audio customization either, so use your player's EQ. In both cases, sound adjustment happens on the device, not the headphone.
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See also: Candy Bila USB C Kids vs Jimonyer Kids Headphones, Candy Bila Kids vs Agkey Headset Business Earpiece, awatrue USB‑C Kids Headphones vs JLab Go Air Pop: USB Wired