How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a tangle-free, pocketable true-wireless earbud that still ships with a USB-C cable you can plug into a wired source, choose Beats Solo Buds; if you need a volume-limited, kid-sized on-ear headphone that includes a real 3.5mm aux cord for wired listening, choose Belkin SoundForm Mini 2.
• Beats Solo Buds — biggest strength: big, full-range Beats sound from a dual-layer driver design, plus up to 18 hours of battery and Fast Fuel (a 5-minute charge gets you up to 1 hour of playback).
• Beats Solo Buds — biggest trade-off: these are wireless Bluetooth earbuds by design. The included cord is a USB-C to USB-C charging cable, not a headphone cable, so wired listening isn't the point here.
• Belkin SoundForm Mini 2 — biggest strength: it genuinely does both jobs. Bluetooth 5.4 for wireless, and a bundled 3.5mm aux cord for a true wired connection to anything with a headphone jack. Add an 85dB volume limit and 55 hours of battery.
• Belkin SoundForm Mini 2 — biggest trade-off: it's built for kids. On-ear plastic cups, no noise control, and a deliberately capped volume level. Adults wanting big sound will feel boxed in.
• Pick Beats Solo Buds if you want compact earbuds, a small case, and tangle-free durability for daily commuting and workouts.
• Pick Belkin SoundForm Mini 2 if you're buying for a child and want safe volume, a comfy adjustable fit, and the freedom to plug in with a wire when Bluetooth isn't practical.
Beats Solo Buds are true-wireless earbuds, and everything about them is built around that idea. The case is the smallest Beats says it has ever made, which matters more than it sounds — it's the kind of thing you can drop in a coin pocket and forget about. Inside, a custom acoustic architecture with dual-layer drivers is designed to deliver that recognizable Beats signature: full range with clarity, and minimized distortion when you push the volume.
Battery is the other headline. Up to 18 hours of playback, plus Fast Fuel — a 5-minute charge for up to 1 hour of listening — is genuinely useful when you're heading out the door and realize you forgot to charge. The cable in the box is a USB-C to USB-C, and the braided, tangle-free design is reinforced to resist fraying. Note the fine print: a power adapter is sold separately, and a Lightning power adapter isn't included, though the earbuds support fast-charging on select iPhones and iPads and are compatible with chargers for iOS devices with Lightning ports.
Who should buy these? Anyone who wants a small, tough, wireless set of earbuds for commuting, gym sessions, and long listening days. Four sizes of eartips are included, so you have a real shot at a comfortable seal. Who should skip them? Anyone whose main goal is a wired listening experience. If your device has no Bluetooth, or you specifically want a cable running from your ears to your phone, this isn't the product for that job. It's wireless first, with USB-C charging as its cable story.
Belkin SoundForm Mini 2 is a kids' on-ear headphone, and it's unusually honest about that. The 85dB volume limit is the core feature — it caps loudness so a child can't accidentally crank things to hearing-damaging levels. That single design choice tells you everything about who this is for.
The flexibility is what makes it interesting. It connects over Bluetooth 5.4 to iPads, tablets, Kindles, iPhones, Galaxy and Pixel phones, laptops and more. And it also includes a 3.5mm aux cord in the box, so it works as a genuinely wired headphone on anything with a headphone jack — a school Chromebook, an in-flight entertainment system, an older tablet. That dual connectivity is rare at this end of the market, and it's the reason this headphone keeps coming up in "wired headphones for kids" conversations.
Around that core, Belkin has built sensible kid features. 40mm dynamic drivers so sound quality doesn't get thrown away in the name of safety. A built-in microphone for video calls, phone calls and virtual learning. An adjustable headband with kid-sized earcup cushions so it grows with your child. And a foldable, compact frame for backpacks and tray tables. Battery is rated at 55 hours — Belkin frames that as charging once a week for 7–8 hours of daily listening.
Who should buy it? Parents and gift-buyers shopping for a child, roughly toddler through early school age. Who should skip it? Adults, or anyone who wants punchy, uncapped sound and noise control. There's no noise cancellation here, the enclosure is plastic, and the volume ceiling is the whole point — not a limitation to work around.
• Best for a true wired connection → Belkin SoundForm Mini 2. It ships with a 3.5mm aux cord and a 3.5mm jack. The Beats include a USB-C charging cable, not a headphone cable.
• Best for battery life → Beats Solo Buds at up to 18 hours, with Fast Fuel giving up to 1 hour from a 5-minute charge. The Belkin counters with up to 55 hours, so if raw runtime is the only metric, the Belkin wins — but it's powering a very different kind of listening.
• Best for kids and safe volume → Belkin SoundForm Mini 2. The 85dB limit, adjustable headband, kid-sized cushions and foldable frame are all designed around a child.
• Best for pocketability → Beats Solo Buds. The smallest case Beats has made versus a foldable on-ear headphone. Earbuds win the pocket test every time.
• Best for calls and virtual learning → Belkin SoundForm Mini 2. It has a built-in microphone explicitly intended for video, phone calls and remote classes.
• Best for durability on the move → Beats Solo Buds. A tangle-free braided cable design reinforced against fraying, plus eartips in four sizes.
• Best for adults who want fuller sound → Beats Solo Buds. Dual-layer drivers and custom acoustics, with no volume ceiling. The Belkin deliberately caps output.
• Best if you need both wired and wireless from one device → Belkin SoundForm Mini 2. Bluetooth 5.4 plus a 3.5mm jack covers nearly every scenario; the Beats are wireless with USB-C charging.
My Verdict
how to wired headphones work
A wired headphone sends an analog audio signal from your device's output jack, through a cable, to drivers inside the earcups or earbuds, which convert that signal into sound. Because the signal travels over a physical connection, there's no pairing, no battery and no wireless compression involved. On the Belkin SoundForm Mini 2, that path is the included 3.5mm aux cord plugged into a 3.5mm jack; the Beats Solo Buds don't include a headphone cable, only a USB-C to USB-C charging cable.
how to use wired headphones with iphone
Modern iPhones use a Lightning or USB-C port rather than a 3.5mm headphone jack, so a wired headphone needs the appropriate adapter or a cable that matches the port. The Beats Solo Buds are noted as compatible with chargers for iOS devices with Lightning ports and support fast-charging on select iPhones and iPads — but that's about charging, not audio over a wire. The Belkin SoundForm Mini 2 includes a 3.5mm aux cord, so on an iPhone you'd need a Lightning-to-3.5mm or USB-C-to-3.5mm adapter to use it wired; over Bluetooth 5.4 it pairs directly.
how to fix wired headphones no sound
Start with the simple checks: make sure the plug is fully seated in the jack, try a different device, and confirm the volume isn't muted or turned all the way down. If the Belkin SoundForm Mini 2 is connected over Bluetooth and you also plug in the 3.5mm aux cord, check which input your device is actually using, since the headphone supports Bluetooth, wired and wireless connections. If sound only works on one side or cuts out when the cable moves, the cable or jack is usually the culprit — and on a device with no headphone jack, a missing adapter is the most common cause.
are wired headphones better than wireless
Not universally — it comes down to your use case. Wired headphones need no battery and no pairing, which makes them dependable for kids, schools and flights; that's why the Belkin SoundForm Mini 2 includes a 3.5mm aux cord alongside Bluetooth 5.4. Wireless headphones like the Beats Solo Buds offer freedom of movement, a tiny case and up to 18 hours of battery with Fast Fuel quick charging. For a child, the wired option plus an 85dB volume limit is the safer, simpler pick; for an adult on the move, wireless usually wins.
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See also: TOZO NC9 vs Belkin SoundForm Mini 2, Beats Solo 4 vs Hamwesh Monitor Headphones, Amazon Renewed Beats Solo Buds vs CoolJumper 6.1