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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a wired headphone built around a boom mic and hearing protection for school and e-learning, choose SIMOLIO Headphones; if you need a lightweight wired headset with an inline mic and audio sharing for younger kids, choose EarFun K1.
• SIMOLIO Headphones — biggest strength: a 330° swiveling noise-reducing boom mic with one-key mute, plus an exclusive 3-level volume limiter (75dB/85dB/94dB) that lets you cap loudness for different ages and environments.
• SIMOLIO Headphones — biggest trade-off: it's the heavier, bulkier pick at 0.33 kg, and its mic lives on a boom arm rather than on the cable, so it's more of a structured headset than a casual pair.
• EarFun K1 — biggest strength: a light 175 g foldable build with an inline mic and a 3.5mm sharing jack, so two kids can listen to the same device without a splitter.
• EarFun K1 — biggest trade-off: volume limiting is the headline feature but there's no adjustable limiter, no boom mic and no active noise cancellation — it's a simpler, kid-first design.
• Who each pick is for: SIMOLIO Headphones for students, teachers and remote learners who talk as much as they listen; EarFun K1 for younger kids who mostly listen, travel and share.
SIMOLIO Headphones are designed around the idea that a wired school headset has to serve two jobs at once: listening and speaking. The 330° swiveling boom mic is the centerpiece. It rotates so you can wear it on either side, flips up and out of the way when it's not needed, and uses a noise-reduction unidirectional pickup that focuses on the mouth rather than the room. A one-key mute button sits right there for instant silencing during a video conference, a class call or an online chat.
The other half of the pitch is hearing safety. SIMOLIO builds in an exclusive 3-level volume limiter you can set to 75dB, 85dB or 94dB. That's a genuinely useful range: the lowest setting suits a young child in a quiet room, the middle setting fits a typical classroom or e-learning session, and the top setting gives an older student or teacher more headroom. It's the kind of feature parents ask for once they realize how loud a wired headphone can get.
Build-wise, it's a foldable over-ear with an adjustable headband reinforced by memory stainless steel strips, supplied with a carry pouch, a 3.5mm jack and a Y-audio adapter for laptops and PCs that split mic and audio onto separate jacks. The cord runs about 1.5 meters, which is generous enough to move around a desk without yanking the plug. The trade-offs are honest ones: at 0.33 kg it's noticeably heftier than a basic kids' headphone, the mic is a boom rather than inline, and the 130 ohm impedance means it isn't the easiest load for a weak output — it's happiest on a laptop, Chromebook, tablet or PC. In my opinion, this is the pick for a student, a teacher or a family running virtual school who needs a real talking headset, not just something to listen on.
EarFun K1 takes the opposite approach: keep it light, keep it simple, keep it fun. At 175 g it's roughly half the weight of the SIMOLIO set, and the over-ear design uses a leather-and-plastic build with an adjustable headband that stretches for different head sizes. EarFun explicitly frames the materials as sturdy and soft enough to survive twisting, pulling and the general rough treatment kids put headphones through. The foldable design makes it easy to toss in a bag for school, travel or a tablet session.
Audio comes from 40mm dynamic drivers delivering balanced stereo, with a 32 ohm impedance and 100dB sensitivity — a combination that's easy for phones, tablets, Kindle Fire devices, Switch consoles, Chromebooks and PCs to drive. There's no active noise cancellation here; this is a straightforward wired listening headphone.
The two features that separate it from a generic kids' pair are the inline microphone and the sharing jack. The mic sits on the audio cable rather than on a boom, and the in-line control handles play/pause, answering and ending calls, and skipping tracks. The 3.5mm sharing jack lets a second pair of headphones plug straight into the K1 so two kids can listen to the same tablet with no splitter needed — a small thing that prevents a lot of arguing on road trips.
Who should skip it? Anyone who needs a boom mic for clear speech in a noisy room, anyone who wants an adjustable volume limiter rather than a fixed one, and anyone who wants active noise cancellation. The K1 is the pick for younger children, toddlers and early-grade students who mostly listen, share and travel — not for a teacher running conference calls.
Side-by-Side: Which Should You Choose?
• Best for hearing protection with control → SIMOLIO Headphones. The 3-level volume limiter (75dB/85dB/94dB) lets you dial the cap to the child and the setting.
• Best for lightweight everyday listening → EarFun K1. 175 g versus 0.33 kg is a real difference over a long school day.
• Best for sharing audio between two kids → EarFun K1. The 3.5mm sharing jack removes the need for a splitter.
• Best for easy-to-drive sound on phones and tablets → EarFun K1. 32 ohm impedance and 100dB sensitivity are friendlier to low-power devices.
• Best for older students, teens and teachers → SIMOLIO Headphones. The 6–20 age range, laptop/PC Y-adapter and memory-steel headband suit a more grown-up workload.
• Best for toddlers and early grades → EarFun K1. The light, foldable, soft-material build is aimed squarely at younger kids.
• Best for a mixed house of listeners and talkers → one of each. They solve different problems, and neither is a compromise on the other's core job.
If I had to buy one, I'd buy SIMOLIO Headphones. The boom mic, the one-key mute and the adjustable 3-level volume limiter cover the two things a wired school headphone actually has to do — let a kid be heard clearly and protect their hearing — and the foldable build, pouch and Y-adapter make it flexible across laptops, Chromebooks and tablets. I'd only switch to EarFun K1 if the priority were a light, simple pair for a younger child who mainly listens and shares audio. In my opinion, SIMOLIO is the more complete tool; EarFun is the easier everyday companion.
FAQ
how to wired headphones work
how to use wired headphones with iphone
Plug the 3.5mm jack into your device. If your iPhone has no headphone jack, you'll need an appropriate adapter, since both of these headphones connect by a standard 3.5mm plug. Once connected, SIMOLIO lets you mute instantly with the boom mic's one-key button, and EarFun K1 lets you play, pause, answer calls and skip tracks with its in-line control.
how to fix wired headphones no sound
Start with the basics: make sure the plug is fully seated, check that the volume isn't muted at the source, and confirm you're using the right jack or adapter — the SIMOLIO Y-audio adapter is what routes mic and audio correctly on desktops with split ports. If one side is silent, try the headphones on a second device to tell whether the problem is the cable or the source.
what's the difference between a boom mic and an inline mic
A boom mic, like the 330° swiveling one on SIMOLIO Headphones, sits on an arm near your mouth, so it picks up speech more directly and can be flipped away when unused. An inline mic, like the one on the EarFun K1 cable, is built into the wire — more compact and lighter, but positioned farther from your mouth.
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