We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-26 · 7 min read · Independent comparison
If you want a wired, USB-C earbud you can keep around your neck all day and plug straight into a modern phone with no battery to think about, choose AFGHOA USB C Headphone; if you need a wireless over-ear pair for a kid to wear at school, on a tablet or on a flight with safe volume limits, choose EarFun K2.
• AFGHOA USB C Headphone — biggest strength: a true wired USB-C connection with an in-ear magnetic design, so there is no pairing, no charging and no battery to run down.
• AFGHOA USB C Headphone — biggest trade-off: it only works with USB-C audio devices, so older phones and anything with a 3.5 mm jack are out.
• EarFun K2 — biggest strength: Bluetooth 5.4 with 74/85/94 dB volume limiting and a long 60-hour playtime figure, which is exactly what a parent wants for a child.
• EarFun K2 — biggest trade-off: it is wireless only, so it depends on a charged battery and a Bluetooth source, and the noise control is listed as none.
• Who each pick is for: AFGHOA for adults who want simple, lossless-feeling wired listening on a USB-C phone or laptop; EarFun K2 for kids and teens who need safe, untethered listening.
The AFGHOA USB C Headphone is a wired in-ear earbud that ends in a Type-C plug. That single fact shapes everything about it. There is no battery inside, so there is nothing to charge before a commute, a call or a work session. You plug it into a USB-C port and it plays. The listing covers an unusually wide spread of devices — recent iPhone models, a long list of Samsung Galaxy S and A series phones, Google Pixel, Galaxy Tab, iPad, MacBook Pro, OnePlus, Moto and Nothing Phone — which tells you the design was aimed at the current, port-less generation of hardware. If your phone dropped the headphone jack, this is the kind of product that fills that gap.
The design details are where it earns its place. The earbuds are magnetic, so you can let them hang around your neck when you pull them out instead of stuffing them in a pocket where the cable turns into a knot. A carrying case is included for the buds and small accessories. You get two extra silicone tips in small and large, on top of whatever is fitted out of the box, which matters because in-ear fit is personal and a bad seal ruins bass. Speaking of which, the driver is a balanced armature type with a 32 ohm impedance, 105 dB sensitivity and a 20 Hz – 20,000 Hz range, and there is a dedicated DAC chip that takes the digital signal from the USB-C port and converts it. That is the technical reason a wired USB-C bud can sound cleaner than a cheap analog dongle setup.
EarFun K2: Who It's For
The EarFun K2 is a different animal entirely: a Bluetooth 5.4 over-ear headphone built for kids and teens. The headline feature is volume limiting at 74, 85 or 94 dB, which the brand ties to the WHO recommended level for protecting young ears. That is the single most important spec here, because it means a child cannot accidentally crank a tablet to painful levels. Around that sit the practical parent-pleasers: 40 mm dynamic drivers for balanced stereo sound, a built-in microphone for hands-free calls and online classes, and a claimed 60 hours of playtime with a 2-hour USB-C recharge. It folds, the headband is built to twist and bend, and the materials are described as kids-friendly and compliant with RoHS2.0, FCC and CPC certification.
Comfort is clearly a design priority. The headband and earpads use soft memory foam, and at 175 g it is light enough for a child to wear through a school day or a long car ride. The earpieces sit on the ear rather than around it, with a rounded shape and an ABS plastic shell in blue.
Who should buy it? Parents buying for a child or young teen who needs headphones for school, tablets, travel or online lessons, and who value a hard volume ceiling over audiophile tuning. Who should skip it? Adults who want serious wired sound quality, or anyone who hates charging things — this is wireless-first, and although it has a 3.5 mm jack listed, the core experience is Bluetooth. It also lists noise control as none, so do not expect active noise cancellation. And if you want the fullest, most detailed sound, a 40 mm kids' headphone with a volume cap is not the product to chase that with.
Side-by-Side: Which Should You Choose?
• Best for a wired, zero-charge setup → AFGHOA USB C Headphone. No battery, no pairing, no dropouts.
• Best for a child's safe listening → EarFun K2. The 74/85/94 dB limiter is the whole point.
• Best for long untethered sessions → EarFun K2. The 60-hour playtime figure dwarfs anything a wired bud can offer, because a wired bud offers nothing to drain.
• Best for travel and school bags → EarFun K2. It folds, it is light at 175 g, and there is no cable to snag.
• Best for calls → both work, but AFGHOA gives you an inline remote with button control and a mic on the cable, while EarFun K2 gives you a built-in mic with Bluetooth hands-free.
• Best for people who lose earbuds → EarFun K2. An over-ear headphone is far harder to misplace than two tiny buds.
• Best for noise isolation → AFGHOA USB C Headphone. The in-ear seal physically blocks outside sound; EarFun K2 lists no noise control.
If I were buying for myself, I would take the AFGHOA USB C Headphone. In my opinion, the wired design is the smarter pick for an adult with a modern USB-C phone: no charging ritual, no pairing menus, a magnetic neck-hang that keeps the buds off the floor, and a DAC chip doing the digital conversion properly. If I were buying for my own kid, I would flip without hesitation and get the EarFun K2 — the volume limiter, the memory foam comfort and the 60-hour battery are exactly the right priorities for a child. Two different jobs, two different answers. Check the current price on Amazon for whichever one matches your household.
how to wired headphones work
Wired headphones receive an audio signal through a physical cable instead of over Bluetooth. On the AFGHOA USB C Headphone, the Type-C plug carries a digital signal into the earbuds, where a DAC chip converts it before it reaches the balanced armature driver. No battery or pairing is involved at any point.
how to use wired headphones with iphone
You need a USB-C iPhone and a headphone with a Type-C plug. The AFGHOA USB C Headphone lists support for recent iPhone models including the 15, 16 and 17 families, so you plug the Type-C connector straight into the phone's port. If you get no sound, check that "Disable USB audio routing" is turned off in Developer Options.
how to fix wired headphones no sound
Start with the phone setting the AFGHOA listing calls out: go to Settings → Developer Options and switch off "Disable USB audio routing." Then check the plug is fully seated, try the other silicone tips for a proper seal, and test the earbuds on a second USB-C device to rule out a port problem.
Yes, in my opinion that is exactly what they are built for. They limit volume to 74/85/94 dB to protect hearing, use soft memory foam on the headband and earpads, weigh 175 g, fold for travel and run up to 60 hours per charge. They are not aimed at adults chasing critical listening.
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See also: C G CHANGEEK 18Ft vs EarFun K2: Wired Headphones Volume, Sony IER-EX15C vs KVIDIO USB C: USB Wired Headphones, Yamaha HPH-MT120BL vs beyerdynamic DT 770: Studio Monitor