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If you want a pair of over-ear headphones built to disappear on smaller heads and still handle calls, travel and long listening sessions, choose Belkin SoundForm Adapt; if you need a portable CD player that can also feed audio to your headphones, choose Sunoony CD Player. I'm framing this whole comparison around one very specific shopper: someone hunting for the best headphone for small ears who also wants to know whether a dedicated headphone or a disc player makes more sense for travel.
• Belkin SoundForm Adapt — biggest strength: a genuine over-ear headphone with a 40mm dynamic driver, Bluetooth 5.2, multipoint-friendly wireless convenience, and up to 45 hours of battery life, plus a 3.5mm wired fallback when you want zero-latency audio.
• Belkin SoundForm Adapt — biggest trade-off: it's a headphone only. It plays what your phone, laptop or tablet sends it. No discs, no FM transmitter, no built-in speaker.
• Sunoony CD Player — biggest strength: it plays physical CDs (CD, CD-R, CD-RW, MP3) and can broadcast to Bluetooth headphones or speakers, pipe audio through a 3.5mm jack or AUX cable, or transmit over FM to a car stereo.
• Sunoony CD Player — biggest trade-off: it isn't a headphone. It's a disc player that ships with a basic earphone. If you want real over-ear comfort, you're pairing it with something else.
• Who each pick is for: Belkin SoundForm Adapt for the traveler who wants one pair of wireless over-ears for music, meetings and flights. Sunoony CD Player for the listener with a CD collection who wants to keep playing discs on the road.
The SoundForm Adapt is an over-ear wireless headset with a boom mic, and that single detail tells you a lot about who it's aimed at. This isn't a fashion headphone. It's a working headphone — the kind you wear on a flight, then keep on for the client call after you land. Bluetooth 5.2 gives you a 10-metre wireless range, and when the connection is unreliable or you want to save battery, you can plug in the included 3.5mm audio cable and run it passively.
Battery is the headline spec: up to 45 hours of average use, with a full charge taking about 65 hours. Read that combination carefully — it means you charge it occasionally, not nightly. For a travel headphone, that's exactly the right trade. You top it up before a trip, not every evening in a hotel room.
On the fit question — and this matters if you're searching for the best bluetooth headphones for small ears — the over-ear design with a foldable frame is the relevant detail. There's no clamping headband to fight with, and the foldable build means it collapses into the bundled recycled-material carrying case instead of tenting your backpack. The 40mm dynamic drivers and 32-ohm impedance keep it easy to drive from a phone, and the 20Hz–20,000Hz range covers the full audible band. Environmental Noise Cancellation handles the drone of an engine or a noisy open-plan office.
Who should buy it: remote workers, students, commuters and frequent flyers who want one headphone for music, calls and gaming, and who value not thinking about charging. Who should skip it: anyone who wants to play CDs directly, or who wants a genuinely tiny in-ear bud — this is a full-size over-ear.
The Sunoony CD Player is a different category of product entirely, and it's worth being blunt about that. It's a portable disc player with a 5.75" x 5.75" x 1.32" footprint, weighing 11.36 ounces, that reads CD, CD-R, CD-RW and MP3 discs. Anti-skip protection is built in, which is the feature that actually matters when you're using it in a moving car or carrying it around the house.
Its cleverest trick is dual-mode Bluetooth. It can act as a transmitter, sending disc audio wirelessly to Bluetooth headphones or a Bluetooth speaker, or as a receiver, accepting audio from your phone or laptop. That's genuinely useful — you can play a CD to your wireless headphones without a cable. Note the limitation the manufacturer states plainly: Bluetooth transmitter mode doesn't support car systems, so for in-car use you go through the FM transmitter (87.5–108MHz) or the included AUX cable. There's no USB audio output to a vehicle.
Battery life is 9 hours per charge, and the box includes a 3.5mm earphone, a storage bag, an AUX cable and a Type-C charging cable. A 9V battery is also required and included. The 3.5mm headphone jack means you can plug in whatever wired headphones you already own — including a pair of over-ears like the Belkin — and skip the bundled earphone.
Who should buy it: people with a CD collection, classic-car owners with no Bluetooth stereo, and anyone who wants to keep physical media alive on road trips. Who should skip it: anyone who streams everything and just wants a headphone. If that's you, this is the wrong purchase.
• Best for battery life → Belkin SoundForm Adapt. Up to 45 hours versus 9 hours on the Sunoony.
• Best for small-head comfort → Belkin SoundForm Adapt. Over-ear, foldable, bundled carrying case, no in-ear fit to fight with.
• Best for calls and meetings → Belkin SoundForm Adapt. Boom mic plus Environmental Noise Cancellation.
• Best for playing physical CDs → Sunoony CD Player. Reads CD, CD-R, CD-RW and MP3 discs with anti-skip protection.
• Best for older cars → Sunoony CD Player. FM transmitter or AUX cable gets disc audio into almost any stereo.
• Best for wireless freedom → Belkin SoundForm Adapt. Bluetooth 5.2 with a 10-metre range, and it works with the Sunoony's Bluetooth transmitter mode.
• Best for a wired, zero-latency setup → both. Belkin has a 3.5mm jack; the Sunoony has a 3.5mm output. They connect to each other.
• Best for the traveler who wants one device → Belkin SoundForm Adapt. One pair covers music, calls and gaming.
In my opinion, the Belkin SoundForm Adapt is the better buy for most people reading this, especially anyone specifically hunting the best headphone for small ears. It does the widest range of jobs — wireless music, wired backup, calls, gaming, travel — with a foldable over-ear design and up to 45 hours of battery. The Sunoony CD Player is a genuinely good answer to a narrower question: how do I keep playing my CDs in the car or at home? If that's your question, buy the Sunoony. If your question is what should go on my head for the flight, buy the Belkin. And if you want both, they work together — the Sunoony's Bluetooth transmitter pairs with the Belkin directly. Check the current price on Amazon before you commit, since both sit in very different budget brackets.
FAQ
what is the best headphones for traveling
how to pack headphones for travel
The SoundForm Adapt folds and ships with a carrying case made from recycled materials, which is the simplest answer — collapse the earcups, drop it in the case, and pack it in the middle of your bag where it won't get crushed. Keep the 3.5mm audio cable and USB-C cable in the same case so you're not hunting for them at the airport.
how to wrap headphones for travel
You don't need to wrap the SoundForm Adapt at all — it's foldable and comes with its own case, so folding plus casing is the right move. Wrapping cables tightly around earcups is what stresses the joints, so use the case and coil the 3.5mm and USB-C cables loosely alongside it.
what are good headphones for travel
Good travel headphones need long battery, a foldable or compact shape, and a wired fallback. The Belkin SoundForm Adapt hits all three: over-ear fit, up to 45 hours of playback, foldable frame, included case, Bluetooth 5.2, plus 3.5mm and USB-C wired options. For small ears, the over-ear design avoids the in-ear fit problem entirely.
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