How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-22 · 7 min read · Independent comparison
• Hupoaf Earbuds Sport — biggest strength: ear-hook stability plus IP7 waterproofing, so hard training and bad weather aren't a problem.
• Hupoaf Earbuds Sport — biggest trade-off: the over-ear hook shape is bulky for lying on your side, and the noise control is sound isolation rather than true active cancellation.
• Kinglucky Sleep Earbuds — biggest strength: hybrid active noise cancellation rated at a 50dB peak, a Sleep Mode, and a very light in-ear build aimed at side sleepers.
• Kinglucky Sleep Earbuds — biggest trade-off: no ear hooks and no water-resistance rating, so it's a poor fit for sweaty, high-impact workouts.
• Who each pick is for: runners, gym-goers and cyclists → Hupoaf. Light sleepers, side sleepers, shift workers, students and frequent flyers → Kinglucky.
The Hupoaf Earbuds Sport is designed around one idea: the earbud should not move. The ear hook is soft silicone, shaped to sit over the ear rather than rely on a silicone tip wedged into the canal. That's the difference between an earbud that survives a treadmill session and one that ends up on the floor. If you've ever stopped mid-run to push a bud back in, you already understand why the hook matters.
The rest of the spec sheet reads like a workout checklist. Bluetooth 5.4 with a claimed 20-metre range for fast pairing and fewer dropouts, IP7 waterproofing that the manufacturer says resists sweat, rain and even short immersion, and a 32-ohm dynamic driver covering 20Hz–20,000Hz with an emphasis on deep bass. Battery is 10 hours per charge, 50 hours total with the case, and a 1.5-hour USB-C top-up. Four ENC microphones handle calls and cut background noise — useful when you're taking a work call on the walk back from the gym. Touch controls cover playback, volume, calls and voice assistant, and the case has an LED display showing power and charging status so you're not guessing before a long ride.
Who should buy it: runners, lifters, cyclists, hikers, anyone whose earbuds live in a gym bag. Three sizes of earplugs (S, M, L) are included, so you can dial in the fit. Who should skip it: side sleepers. An over-ear hook is exactly the wrong shape for a pillow. Also skip it if you want genuine active noise cancellation for a flight — the noise control here is sound isolation, not ANC. And if you only ever listen at a desk, you're paying for stability and waterproofing you won't use.
The Kinglucky Sleep Earbuds is a completely different brief. It's for the person who wants the room to go quiet. The headline feature is 50dB hybrid noise cancellation: soft silicone tips block physical noise the way foam earplugs do, then AI sorts incoming sound by frequency and the ANC cancels the rest. That layered approach is why it can behave like an earplug when you need it to. Three modes — Sleep, ANC Focus and Transparency — switch with three taps, so the same bud that mutes your bedroom can let you hear a train announcement without taking it out.
The fit is the other half of the story. The ear contact surface is polished silicone, contoured rather than hooked, and the bud weighs 3.0g, which the brand says is 17% lighter than average. Kinglucky also cites a real-world test with over 2,000 side sleepers in which 92% reported no pressure — treat that as the brand's own claim rather than an independent finding, but the design logic is sound: light, flat, soft, no protrusion. If you've woken up with aching ears from normal earbuds, that's the problem this product exists to solve.
Battery is 7–10 hours per charge and 50 hours total with the case, charged over USB-C in about 1.5 hours, with an LED display showing remaining power for both buds and case. Bluetooth 6.0 is specified for a stable connection, and the Kinglucky App adds 60 sleep sounds — rain, ocean, wind — plus a playback timer so audio doesn't run all night. Sleep Mode also suppresses notifications, which is the quiet feature nobody thinks to ask for.
Who should buy it: side sleepers, light sleepers, partners of snorers, night-shift workers, students who need to focus in a loud room, and travellers. Who should skip it: anyone who wants earbuds for running. There's no ear hook and no water-resistance rating listed, so sweat and rain are a real risk. It's also not the pick if you want physical controls — everything here is touch-based.
• Best for hard workouts and running → Hupoaf Earbuds Sport. Ear hooks plus IP7 waterproofing versus no hook and no water rating.
• Best for sleep and side sleeping → Kinglucky Sleep Earbuds. 3.0g per bud, soft contoured silicone, and a dedicated Sleep Mode.
• Best for blocking noise → Kinglucky Sleep Earbuds. 50dB hybrid ANC with passive isolation underneath beats the Hupoaf's sound isolation.
• Best for sweaty or wet conditions → Hupoaf Earbuds Sport. IP7 covers sweat, rain and short immersion; Kinglucky lists no such rating.
• Best for battery life → a tie, and a genuine one. Both promise 50 hours total with the case and a 1.5-hour USB-C charge. The difference is per-charge: 10 hours for Hupoaf, 7–10 hours for Kinglucky.
• Best for calls in loud places → Hupoaf Earbuds Sport. Four ENC microphones are built specifically for voice pickup in noisy environments.
• Best for focus at a desk or on a plane → Kinglucky Sleep Earbuds. ANC Focus Mode and Transparency Mode cover both the "shut it out" and "let it in" cases.
• Best for a single pair that covers everything → Hupoaf Earbuds Sport, in my opinion, since it's the one you can also wear while moving. Neither product is a true all-rounder, though.
If I had to pick one, I'd buy the Hupoaf Earbuds Sport — simply because its strengths are harder to work around. You can't add ear hooks or waterproofing to a sleep bud, but you can wear a sport bud for casual listening at home, and the 50-hour case and 10-hour per-charge runtime are competitive with the Kinglucky's. That said, my recommendation flips entirely if sleep is the actual goal. For side sleeping, dozing off to rain sounds and silencing a noisy room, the Kinglucky is the better-designed product, and no amount of sport tuning makes up for it. Decide which problem you're solving first, then buy that one. Check the current price on Amazon before you commit, since both sit in a budget-friendly bracket and the gap between them may matter to you.
Yes. The Kinglucky is built for it: 3.0g per bud, a flat contoured silicone fit, a Sleep Mode that blocks notifications, and 50dB hybrid noise cancellation. The Hupoaf's over-ear hook shape presses against a pillow, which is uncomfortable for side sleepers.
Can I use the Hupoaf Earbuds Sport for running in the rain?
Not quite. Both reach 50 hours total with their charging cases and both charge over USB-C in about 1.5 hours. Per charge, Hupoaf claims 10 hours, while Kinglucky states 7–10 hours, partly because active noise cancellation uses more power.
The Hupoaf Earbuds Sport, in my opinion — it has four ENC noise-cancelling microphones specifically for reducing background noise during calls. The Kinglucky's microphones aren't described in the same call-focused terms, and its mode system is aimed at listening and sleeping.
I don't publish prices here, because they change constantly. Both are positioned as affordable options in their categories, so check the current price on Amazon using the button on this page before deciding.
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.