How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want an open-ear sports earbud that keeps you aware of traffic, gym noise and everything around you, choose ACANDYA 3.5mm; if you need a foldable over-ear headphone with kid-safe volume limits and a share port for travel, school and tablets, choose SIMOLIO Kids.
These two look like they compete for the same "cheap wired headphone" shopper, but they really don't. One is built for movement and awareness. The other is built for controlled listening and sharing. Here's how I'd split them.
• ACANDYA 3.5mm — biggest strength: the open-ear hook design with flexible ear loops that wrap around your ear and stay put during running, gym work and workouts, while leaving your ear canal open so you stay aware of your surroundings.
• ACANDYA 3.5mm — biggest trade-off: because it's open-ear, it doesn't physically seal or block anything. If you want to shut out a noisy commute, this isn't the headphone for that.
• SIMOLIO Kids — biggest strength: an over-ear design with soft memory foam cushions, a padded headband and a 3-level safe volume limit, plus a share port and pouch for travel and classroom use.
• SIMOLIO Kids — biggest trade-off: it's a full over-ear headphone, so it's bulkier and more of a "sit down and listen" tool than something you'd want bouncing around on a run.
• Who each pick is for: ACANDYA 3.5mm for runners, walkers, gym-goers and anyone who needs to hear the world while listening. SIMOLIO Kids for parents buying for a child, and for students or travellers who want quiet, comfortable, volume-capped listening.
The ACANDYA 3.5mm is a wired open-ear sport headset with a hook-shaped earpiece and aluminum enclosure in black. Instead of pushing a tip into your ear canal, the ear loops wrap around your ear, which is exactly what keeps it stable during rigorous activity. That's the whole point of the design: the fit doesn't depend on a tight seal, it depends on the hook holding on.
There's also a built-in noise cancelling microphone with push-button volume control, so taking a call at the gym or while walking down the street is genuinely practical — and sound isolation rather than active cancellation is the noise approach here. A protective carrying case is included, which matters more than people think for something you'll throw in a bag.
Buy it if you want to walk the dog, work out, run, cycle or work in an office while still hearing what's happening around you, and you want a lightweight hook fit that won't fall out.
Skip it if your priority is blocking out noise on a plane or in a loud classroom, or if you specifically want a headphone sized and volume-limited for a young child. Open-ear means open — that's a feature, but it's not for everyone.
SIMOLIO Kids: Who It's For
The SIMOLIO Kids wired headphone (model SM-904) is a foldable over-ear headset in purple with a circular earpiece shape and dynamic drivers. It's aimed squarely at kids, with a 1-year manufacturer warranty and a padded, memory-foam build designed to stay comfortable for hours. Kid headphones live or die on two things — volume and comfort — and this one addresses both directly.
The headline feature is the 3-level safe volume limit, which lets you cap how loud the audio can get. For a parent, that's the reason to pick this over a generic pair. On top of that, the over-ear design delivers passive noise isolation — no batteries, no active circuitry — which blocks classroom noise, office chatter and commute distractions. The brand describes rich bass with clear mids and highs, which is what you want for focused learning, remote work or travel.
Connectivity is flexible: it works over both USB-C and 3.5mm, so it covers newer tablets and phones as well as older devices with a standard headphone jack. There's a share port too, meaning a second pair of headphones can daisy-chain off the same source — genuinely useful on a flight or in a car with two kids and one screen. You also get a pouch and a user manual in the box, and the foldable design makes it easier to pack.
Buy it if you're buying for a child and want volume limiting, comfort for long sessions and device flexibility across USB-C and 3.5mm. Also a solid pick for an adult who wants a cheap, quiet, wired over-ear for study or office work.
Skip it if you need something for running or intense exercise. Over-ear cups plus a padded headband are the opposite of a stable sport fit, and passive isolation means you won't hear traffic.
• Best for running, gym and workouts → ACANDYA 3.5mm. The ear-loop hook and open-ear fit are engineered for movement.
• Best for staying aware of your surroundings → ACANDYA 3.5mm. Open-ear by design, so traffic, gym noise and office conversation still reach you.
• Best for blocking out noise → SIMOLIO Kids. Over-ear cups with passive noise isolation, no batteries required.
• Best for kids and parental volume control → SIMOLIO Kids. The 3-level safe volume limit is the single most important feature here.
• Best for long, comfortable listening sessions → SIMOLIO Kids. Memory foam cushions and a padded headband for hours of wear.
• Best for device flexibility → SIMOLIO Kids. USB-C and 3.5mm both covered, plus a share port for a second listener.
• Best for calls on the move → ACANDYA 3.5mm. Built-in noise cancelling mic with push-button volume and call control.
• Best for travelling light → ACANDYA 3.5mm. Lightweight, wired, with a protective case; nothing to charge.
In my opinion, most people searching this comparison are actually shopping for two different jobs, so I'd buy based on the job, not the brand. If you're moving — running, lifting, walking the dog — I'd take the ACANDYA 3.5mm, because the open-ear hook design is the only one of the two built for that. If you're buying for a kid, or you want quiet focus at a desk or on a plane, I'd take the SIMOLIO Kids, because the volume limit, over-ear isolation and USB-C/3.5mm flexibility are exactly what that use case needs. Neither is "better" outright; they're aimed at different buyers.
FAQ
Yes — it's listed with a 3-level safe volume limit, which is the main reason a parent would choose it over a standard wired headphone. You can cap the output rather than relying on your child to keep it low.
Yes. It supports both USB-C and 3.5mm connections, so it works with newer USB-C devices and older headphone-jack devices. The ACANDYA 3.5mm is 3.5mm jack only, which is worth checking against your phone.
SIMOLIO Kids. It uses passive noise cancellation from the over-ear cup seal, which reduces classroom noise and commute chatter. The ACANDYA 3.5mm is deliberately open so you stay aware of your environment — that's the trade-off, not a flaw.
Both are sold on Amazon, and prices change, so use the "Check latest price on Amazon" button on this page for each one rather than relying on any figure you've seen elsewhere.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.