How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a kid-friendly pair built for small ears with a playful cartoon case, choose AMAFACE Earbuds; if you need longer battery life, a bigger driver and a more water-resistant shell for everyday adult use, choose ZZU Earbuds.
• AMAFACE biggest strength: Designed specifically for small ears, with a cartoon Piggy Cat charging case that makes it approachable for kids and a lightweight in-ear fit with three sizes of silicone tips.
• AMAFACE biggest trade-off: Bluetooth 5.0, 5–6 hours per charge and IPX5 sweat resistance — fine for school, travel and light workouts, but not the longest-lasting or most water-resistant option here.
• ZZU biggest strength: Bluetooth 5.3, a 13.2mm dynamic driver, up to 9 hours per charge (48 hours total with the case) and IPX7 water resistance for serious everyday listening.
• ZZU biggest trade-off: No dedicated noise-control feature and a more generic adult-focused design — it isn't built around kids' ears or a fun cartoon look.
• Who AMAFACE is for: Parents buying for children, or adults with small ears who want a comfortable, sweat-proof set with a case kids actually want to carry.
• Who ZZU is for: Adults who want longer playtime, stronger bass from a larger driver and better water resistance for commuting, gym sessions and all-day wear.
The AMAFACE K64 Piggy Cat is the rare earbud that says out loud what it's for: small ears, kids included. That single design decision shapes everything else. The earbuds are lightweight and ergonomically shaped to spread pressure rather than press it into one spot, and AMAFACE ships three sizes of flexible silicone tips so you can dial in the seal. In my opinion, that combination is the real reason this model works for a six-year-old — it's not just a smaller shell, it's a fit strategy.
On the tech side, you get Bluetooth 5.0 with a Qualcomm chip and CVC8.0 noise reduction, and AMAFACE claims pairing in about five seconds. Take both buds out of the case and they link to each other automatically; then you connect once from your phone's Bluetooth menu. The connection is rated to 10 meters, so keep the phone reasonably close — walk into another room with a wall in between and you may get dropouts. Touch controls handle play, pause, volume and track skipping, and calls switch in and out automatically.
Battery life is 5–6 hours per charge with roughly 32 extra hours in the case, and a full charge takes about 1.5 hours over USB-C. IPX5 means it shrugs off sweat and light rain — running, cycling, yoga, gym — but not swimming. The cartoon case is the hook for kids, and it's genuinely part of the appeal.
ZZU Earbuds: Who It's For
The ZZU T18 is aimed at a different person entirely: the adult who wears earbuds for hours and doesn't want to think about charging. The headline number is 48 hours of total playtime thanks to the LED-display charging case, with up to 9 hours from the buds alone on a single charge. That dual LED display shows both the case's remaining power and the buds' charging status, so you're never guessing. For commuters, students and anyone who forgets to plug things in, that's the feature that matters most.
Sound is built around a 13.2mm dynamic driver with a 20Hz–20,000Hz range. A driver that size is why ZZU talks about deep bass and full low-end rebound — physically, more surface area moves more air, which is exactly what you want for bass-forward music. Vocals and treble are described as clear and bright. There's no active noise cancellation here, so isolation comes purely from the in-ear seal, which makes tip selection important.
Connectivity is Bluetooth 5.3 with a claimed 0.05-second latency and a range up to 33 feet — noticeably longer than AMAFACE's 10 meters, and the lower latency helps if you game or watch video. The buds weigh about 0.13 ounces each, and ZZU says the shape was tested on over 1,000 people with three tip sizes included. Touch controls are handled by the T18 chip and tuned to reduce accidental taps.
The practical edge is IPX7: this set can handle sweat, rain and even brief immersion far better than an IPX5 pair. The green colorway and silicone enclosure round out a modern, understated look.
Buy ZZU if you want long battery life, bigger bass, newer Bluetooth and real water resistance for workouts and bad weather. Skip it if you're buying for a young child or someone with very small ears — ZZU is designed for all ages in a general sense, but it isn't purpose-built around small ears the way AMAFACE is, and there's no cartoon-case charm to win over a kid.
• Best for kids and small ears → AMAFACE Earbuds. It's explicitly designed for small ears with three tip sizes and a lightweight, pressure-spreading fit.
• Best battery life → ZZU Earbuds. 9 hours per charge and 48 hours total versus AMAFACE's 5–6 hours and roughly 32 hours in the case.
• Best water resistance → ZZU Earbuds. IPX7 handles sweat, rain and splashes; AMAFACE's IPX5 covers general sweat only.
• Best sound hardware on paper → ZZU Earbuds. A 13.2mm dynamic driver with a 20Hz–20,000Hz range versus AMAFACE's 16-ohm dynamic driver.
• Best connectivity → ZZU Earbuds. Bluetooth 5.3 with up to 33 feet of range beats Bluetooth 5.0 at 10 meters.
• Best for younger users who need simplicity → AMAFACE Earbuds. One-step pairing, automatic call switching and a case a child will actually want to keep track of.
• Best for all-day adult wear → ZZU Earbuds. At about 0.13 ounces per bud with an ergonomic shape tested across a large group, it's built to stay comfortable for long sessions.
• Best for light exercise and kids' sports → AMAFACE Earbuds. IPX5 sweat resistance plus a secure small-ear fit covers running, cycling and gym use for smaller wearers.
If I were buying for myself, I'd take the ZZU Earbuds. The combination of Bluetooth 5.3, a 13.2mm driver, 48 hours of total playtime and IPX7 water resistance simply covers more of what an adult does with earbuds — commuting, working out, watching video and forgetting to charge. But if I were buying for a child or someone with small ears, I'd pick the AMAFACE Earbuds without hesitation, because its small-ear design and cartoon case solve a problem ZZU doesn't try to solve. Match the earbud to the ear, not the other way around.
Yes — that's their whole design brief. They're built for small ears, ship with three silicone tip sizes, weigh very little and use a cartoon Piggy Cat case that makes them easy for a child to accept. They also pair in one step and switch calls automatically.
Yes, clearly. ZZU offers up to 9 hours per charge and 48 hours with the case, while AMAFACE gives 5–6 hours per charge and roughly 32 extra hours in the case. For long days away from a charger, ZZU is the safer bet.
Their IPX7 rating means they handle sweat, rain and even brief water exposure better than AMAFACE's IPX5. Neither is meant for swimming, but ZZU is the more durable choice for wet conditions.
Both include three sizes of silicone tips, so either can be adjusted. But if your ears run small — or you're buying for someone with small ears — AMAFACE is the purpose-built option, while ZZU is designed for a broad range of adult ears.
Check the current price on Amazon before deciding, since both sit in a similar everyday budget bracket and the better deal changes over time.
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.