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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want open-ear earbuds built for adults who want strong sound, long battery life, and a snug adjustable fit, choose Anker Soundcore V20i; if you need safe, volume-limited open-ear earbuds for a child, choose QearFun Kids Cat Open.
Both are open-ear designs, which means neither one plugs into your ear canal. That single fact shapes everything else about them. But they aim at completely different people: one is a grown-up audio product with big drivers and multipoint Bluetooth, the other is a kid-first gadget with a hard volume ceiling and a case that doubles as a fidget toy. Let's break down which one actually fits your life.
• Anker Soundcore V20i — biggest strength: 16mm titanium-coated dynamic drivers with BassUp technology, four mics with AI call enhancement, 36 hours of total playtime, Bluetooth 5.4 with multipoint, and IP55 protection.
• Anker Soundcore V20i — biggest trade-off: It has no volume limiter and no kid-specific safety features, and at 76.4g with the case it's a chunkier carry than a tiny clip-on set.
• QearFun Kids Cat Open — biggest strength: A factory-set 85dB maximum volume, a featherweight 3.5g-per-ear clip-on fit, a rotatable fidget-style charging case, and an anti-lost lanyard.
• QearFun Kids Cat Open — biggest trade-off: 12mm drivers tuned for clear vocals rather than bass, Bluetooth 5.3, and a feature set clearly aimed at children rather than adult listeners.
• Who each pick is for: Anker Soundcore V20i for adults who want open-ear awareness without giving up sound quality; QearFun Kids Cat Open for parents who want their kid to hear music and the world around them safely.
The V20i is the more grown-up of the two in every measurable way. The headline spec is the 16mm dynamic driver with a titanium-coated dome, paired with soundcore's BassUp processing. In open-ear designs, driver size matters more than usual because nothing is sealing your ear canal — so a 16mm driver is a genuinely large piece of hardware for this category. Physically, that should translate to fuller low-end than you'd expect from something that sits outside your ear. An 11-ohm impedance and a 20kHz frequency response round out the audio side.
For everyday use, the spec sheet points at a commuter-and-outdoors profile. IP55 means it shrugs off sweat and light rain, so running, cycling, and gym sessions are fair game. Four microphones with an AI algorithm handle calls, which matters when you're taking a meeting on a walk. Bluetooth 5.4 with multipoint lets you stay connected to a laptop and a phone at once. Battery is 8 hours per charge and 36 hours total with the case, and the case itself charges in about 2.5 hours. Touch controls handle media, and there's a tune-synced light feature if you like your gear to look the part. It's rated for all ages and comes in blue with a matching blue case.
Who should buy it: adults who want situational awareness on the move, people who take a lot of calls, and anyone who finds regular earbuds uncomfortable after an hour. Who should skip it: parents shopping for a young child — there's no volume cap here, which is the whole point of the QearFun set.
QearFun Kids Cat Open: Who It's For
This one is designed around a single promise: your kid can hear their audio and still hear you. The C-shaped clip-on earpiece rests outside the ear with no insertion and no pressure, and each earbud weighs just 3.5g. For a child who complains that normal headphones squeeze or hurt, that's a meaningful difference — and it's why the open-ear format exists in the kids' category at all. Silicone construction keeps it skin-friendly.
The 85dB factory-set volume limit is the safety headline. That ceiling exists specifically because young ears are more vulnerable to loud, prolonged listening, and you can't accidentally crank past it. The tuning follows from that: a 12mm dynamic driver delivering clear vocals and balanced detail rather than heavy bass. For stories, songs, and online classes, that's the right call — the content stays intelligible at a safe level.
Battery is 6 hours per charge with 30+ hours total from the compact case, and Bluetooth 5.3 holds a stable connection over roughly 10 meters. USB-C charging brings it back up quickly. Two details stand out for real family life: the charging case has rotatable expression patterns that kids can twist like a fidget toy, and the case includes an anti-lost lanyard so it clips to a bag instead of vanishing. The design leans into a cute cat-ear look in purple, which is clearly aimed at kids and teens. Touch controls are on the earbuds themselves, there's no headphone jack, and it's backed by a one-year manufacturer warranty.
Who should buy it: parents of younger children who need headphones for school, travel, or long car rides and want a hard volume ceiling. Who should skip it: adults, or older kids who care about bass-heavy music — the 12mm driver and 85dB cap are working against that.
• Best for sound quality and bass → Anker Soundcore V20i. A 16mm driver with BassUp versus a 12mm driver tuned for vocal clarity is not a close contest.
• Best for hearing safety with kids → QearFun Kids Cat Open. The 85dB factory limit is the deciding feature, full stop.
• Best for calls → Anker Soundcore V20i. Four mics plus AI enhancement versus a single mic setup.
• Best for long battery sessions → Anker Soundcore V20i. 36 hours total versus 30+ hours, with 8 hours per charge against 6.
• Best for the smallest, lightest fit → QearFun Kids Cat Open. 3.5g per ear and a clip-on shape beats a hook design for tiny ears.
• Best for losing fewer things → QearFun Kids Cat Open. The anti-lost lanyard on the case is a genuinely practical touch for families.
• Best for connectivity flexibility → Anker Soundcore V20i. Bluetooth 5.4 with multipoint lets you juggle two devices at once.
• Best for workouts and weather → Anker Soundcore V20i. IP55 protection is rated for sweat and light rain; the QearFun set is built for gentler use.
In my opinion, these two barely compete — they serve different people, and the right answer depends entirely on who's wearing them. If it's you, I'd buy the Anker Soundcore V20i: the 16mm drivers, four-mic calling, multipoint Bluetooth 5.4, IP55 rating, and 36-hour total battery make it the more capable open-ear product for adult daily use. If it's for your child, I'd buy the QearFun Kids Cat Open without hesitation — the 85dB limit is the feature that matters most, and the light clip-on fit, fidget case, and lanyard are built around how kids actually use things. Buy for the wearer, not for the spec sheet.
how to open ear headphones work
Open-ear headphones rest outside your ear canal instead of sealing it. The Anker Soundcore V20i uses a hook-shaped earpiece that rotates into four positions, while the QearFun Kids Cat Open uses a C-shaped clip that rests gently on the ear. Neither inserts into the ear, so sound reaches you while outside noise still gets in.
how to wear open ear headphones
Hook the earpiece over the top of your ear and let the driver sit just in front of the canal, not inside it. On the V20i you can rotate through four positions to find the sweet spot; on the QearFun set the clip-on shape does most of the work for you. Adjust until it feels secure but not pressed against your ear.
how to use open ear headphones
Pair over Bluetooth — 5.4 on the V20i, 5.3 on the QearFun — then use the touch controls on the earbuds for playback and calls. The V20i supports multipoint, so it can stay connected to two devices at once. Both come with charging cases; the QearFun case also has a lanyard to clip onto a bag.
The format itself is fine for kids because it keeps them aware of their surroundings. The bigger safety factor is volume, and that's where the QearFun Kids Cat Open stands out with its factory-set 85dB limit. The Anker Soundcore V20i has no such cap, so it's the better pick for adults rather than young children.
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See also: Anker Soundcore AeroFit 2 vs EarFun OpenJump Open Ear, Anker Soundcore Sport X20 vs Sennheiser CX 80U: Wired in Ear, Gumdrop Cases DropTech On-Ear vs QearFun USB C Kids