How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want one pair of ergonomic earbuds to cover noise cancelling, long battery life and everyday listening — including music while you shoot hoops — choose Anker Soundcore; if you need the smallest, lightest earbuds for sleeping on your side, choose ZYHKON Sleep Earbuds. Those are two genuinely different jobs, and the spec sheets make the split obvious. If you're hunting for the best earbuds for basketball that double as all-day ANC buds, read on — I'll show you exactly where each one wins and where it gives something up.
• Anker Soundcore — biggest strength: adaptive active noise cancelling that reduces noise by up to 98%, plus up to 50 hours of total playtime (10 hours per charge) and LDAC Hi-Res wireless audio.
• Anker Soundcore — biggest trade-off: it's a conventional in-ear bud with a charging case, so it's not built for side-sleepers who need something ultra-flat against a pillow.
• ZYHKON Sleep Earbuds — biggest strength: a genuinely tiny, ergonomic design at just 3.0 grams per ear, with a dedicated Sleep Mode that silences low-battery and shutdown alarms.
• ZYHKON Sleep Earbuds — biggest trade-off: no noise cancelling at all, and the touchscreen case is a feature you either love or find fussy.
• Who each is for: Anker Soundcore for commuters, gym-goers and anyone who wants one do-everything pair; ZYHKON Sleep Earbuds for side sleepers and anyone who wants buds that disappear in the ear overnight.
The Soundcore Space A40 is the more versatile of the two, and the specs back that up. It uses an upgraded noise cancelling system that reduces noise by up to 98%, and — this is the part I like — it's adaptive. The buds detect the noise around you and automatically pick a suitable cancellation level, so you're not constantly fiddling with settings as you move from a quiet room to a bus to a gym. For anyone who wants to block out a distracting environment without thinking about it, that's the whole point of the product.
Battery is the other headline. You get 10 hours of single-charge playtime and up to 50 hours total with the case, and a quick 10-minute charge buys you 4 hours of listening. Think about that in practice: you can leave the case at home for a long day, or top up in the time it takes to lace up your shoes. Sound comes from double-layer diaphragm drivers with strong bass, clear mids and bright treble, and LDAC mode delivers Hi-Res Audio Wireless — LDAC moves roughly three times more detail than standard Bluetooth codecs, which matters if you actually care about how your music is encoded.
Design-wise it's an in-ear bud with a rounded tip, silicone enclosure and a purple finish, with a plastic charging case in the same colour. It's described as smaller than the brand's other ANC earbuds and "as light as a sheet of paper," with an ergonomic shape for long listening. Controls are touch-based and app-driven via Bluetooth 5, with a 10-metre wireless range.
Who should buy it: commuters, office workers, frequent flyers, and players who want the best rechargeable Bluetooth earbuds for basketball warm-ups, shooting drills and the walk to the court. Who should skip it: side sleepers who need buds that sit flush against a pillow, and anyone who specifically wants a screen on the case.
The ZYHKON Sleep Earbuds are built around one problem: wearing earbuds in bed without waking up in pain. Each bud weighs just 3.0 grams, and the shape is polished and ear-fitting specifically so you can lie on your side with no pressure. The charging box is small enough to slip into a pocket. Then there's Sleep Mode, which turns off the low-battery and shutdown alarms — a small detail that makes a huge difference, because nothing ruins a wind-down like a voice prompt announcing the battery is low at 2 a.m. The brand even recommends checking your battery before you fall asleep for exactly that reason.
The case is the unusual part. It has a full-colour LED touchscreen you can use to play or pause, change volume, skip tracks and answer calls, plus activate Sleep Mode, switch between 7 language options, and adjust wallpaper and brightness. You can also control things by tapping the buds themselves. If that sounds like a gimmick, consider the alternative: reaching for your phone in the dark. In my opinion, that's the real justification for the screen.
Audio comes from 13mm dynamic drivers with a chamber design that balances internal and external air pressure, which the brand says reduces sound leakage and improves clarity. Bluetooth 5.4 handles pairing and connection stability, and there are five EQ modes — Standard, Classic, Jazz, Rock and Pop. Battery is 48 hours of total playtime with USB-C charging that reaches full in 1.5 hours, and the buds auto-connect the moment you open the case. A 2-year warranty is included. Note there's no noise cancelling here — noise control is listed as none — so these are about comfort and quiet content, not blocking the world out.
Who should buy it: side sleepers, light sleepers who hate alarm chimes, and anyone who wants a discreet pair for podcasts and audiobooks in bed. Who should skip it: anyone who needs active noise cancelling for a commute or a loud gym.
Side-by-Side: Which Should You Choose?
• Best for noise cancelling → Anker Soundcore. Up to 98% noise reduction with adaptive adjustment; ZYHKON has none.
• Best for all-night side-sleeping → ZYHKON Sleep Earbuds. 3.0 grams per ear and a Sleep Mode that kills alarms.
• Best for everyday versatility → Anker Soundcore. LDAC Hi-Res audio, app control, touch controls, 10-metre Bluetooth range and a 10-minute fast charge for 4 hours of listening.
• Best for sports and gym use → Anker Soundcore. The adaptive ANC and secure ergonomic in-ear fit suit movement far better than a sleep-focused bud.
• Best for fuss-free bedside control → ZYHKON Sleep Earbuds. The colour touchscreen case handles volume, tracks and calls without a phone.
• Best for higher-resolution listening → Anker Soundcore. Double-layer diaphragm drivers plus LDAC, versus 13mm dynamic drivers and EQ presets on the ZYHKON.
• Best value depends on your job: if you'll use them all day, the Soundcore does more; if you'll use them all night, the ZYHKON is the one that won't dig into your ear.
If I'm buying one pair for myself, I'd take the Anker Soundcore Space A40. Adaptive noise cancelling, 50 hours of playtime, LDAC Hi-Res sound and a 4-hour top-up from a 10-minute charge make it the more useful object across a normal day — commute, desk, gym, and the best earbuds for basketball sessions where you want the outside world turned down. I'd only switch to the ZYHKON Sleep Earbuds if sleeping on my side in earbuds were the actual goal, because 3.0 grams per ear and a silent Sleep Mode are things the Soundcore simply isn't designed to do. Different tools, different jobs — and for most people, the Anker is the one that earns its place in a pocket.
FAQ
what are ergonomic earbuds
are earbuds comfortable
Comfort depends on weight, shape and how long you wear them. The ZYHKON is explicitly built for all-night, pressure-free wear on your side, while the Soundcore is pitched at long daytime listening with an ergonomic fit and a light build. If your priority is overnight comfort, the lighter sleep-focused design is the safer bet.
what are earbuds and how do they work
Earbuds are small in-ear headphones that receive audio wirelessly over Bluetooth and play it through built-in drivers. Both of these use dynamic drivers and Bluetooth — version 5 on the Soundcore and version 5.4 on the ZYHKON — with touch controls and a charging case that stores extra battery.
why are earbuds so uncomfortable
Usually because of weight, a shape that doesn't match your ear, or pressure when you lie on your side. That's exactly the gap the ZYHKON targets with its 3.0-gram design and sleep mode, whereas the Soundcore addresses it differently — a smaller, lighter shell than the brand's other ANC models, aimed at long daytime sessions rather than pillow contact.
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.
See also: PEGZONE Headphone Controller Holder vs LANVIA RGB Gaming Headset, Tilted Nation Gaming Headset vs ZIYOU LANG L80, YINYOO KBEAR OS1PRO vs SUNOL FG-07, Ordtop Earbud vs Yeabomy Gaming Earbuds 4: Deep Bass Earbuds