If you want compact in-ear earbuds for sleep and a low-profile fit at the gym, choose Loluka in-Ear; if you need open-ear headphones for gym workouts and calls, choose Amazfit Up. The key difference is whether you want an earbud that sits in the ear or a design that leaves the ear canal unobstructed.
Loluka in-Ear vs Amazfit Up at a Glance
• Loluka in-Ear: A small, curved in-ear design with IPX4 sweat resistance and up to 4 hours of listening per charge; the trade-off is that the ear canal is occupied and there is no listed noise control.
• Amazfit Up: An open-ear design with touch controls, call noise reduction, and up to 24 hours of stated battery life; the trade-off is that it does not offer Loluka’s small in-ear form.
• Choose Loluka in-Ear if you want a discreet earbud style and a design described for sleep, commuting, and workouts.
• Choose Amazfit Up if keeping your ear canal unobstructed and handling calls without reaching for your phone are priorities.
• Both use Bluetooth 5.3, support wireless connection, and list a 10-meter Bluetooth range.
Loluka in-Ear is the more compact, conventional earbud option of these two. Its curved in-ear shape is described as following the contours of the ear, and its very small design is intended to sit unobtrusively. That makes it worth considering if you dislike larger-looking earbuds or want a low-profile fit for everyday listening. The product is also described for sleep, though comfort while sleeping will depend on your own ear shape and how you lie down.
For gym use, the useful headline is IPX4 sweat resistance, not a claim that the earbuds can handle immersion. Each charge provides up to 4 hours of listening, with the case described as adding another 16 hours. That gives you a short-session option with additional listening time available from the case, rather than the longer single-charge figure listed for Amazfit. Bluetooth 5.3 and a 10-meter range are listed for wireless connection to a compatible device.
There are practical details beyond fit and battery. The touch controls let you manage media, and the earbuds can be used together or separately, with the product information describing switching between left and right without an additional pairing step. But no noise control is listed, and this is not an open-ear design. Skip Loluka in-Ear if you want your ear canal left unobstructed or need a longer stated listening time from one charge.
How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-19 · 7 min read · Independent comparison
Amazfit Up takes a different approach: its open-ear design keeps the ear canal unobstructed while the earbuds sit on the ear. That distinction is the central reason to choose it over Loluka. If an in-ear fit is uncomfortable for you, or you prefer not to have an earbud sealing or occupying the canal, Amazfit’s design is the more relevant one to investigate. It is presented as a workout option, with IPX4 water resistance and touch controls described as resistant to humidity and sweat.
The listed battery life is up to 24 hours, while the charging-case battery figure is 18 hours and the case charging time is 2 hours. Those figures should be read as the product’s stated battery information, not as a promise of one uninterrupted 24-hour session. For gym routines, the longer stated overall battery life may be helpful if you would rather charge less often. Bluetooth 5.3 and a listed 10-meter range provide the wireless connection details.
Calls are another point in Amazfit’s favor. Its AI-enhanced call feature is described as reducing wind and noise for communication, and the earbuds offer touch control. You can also access a phone voice assistant by triple-tapping an earbud; the product information mentions another assistant route for users of an Amazfit watch with Zepp Flow. Skip Amazfit Up if your priority is a tiny in-ear style designed to sit discreetly inside the ear.
• Best for a very small, low-profile in-ear shape → Loluka in-Ear. Its curved, compact design is presented as unobtrusive, while Amazfit sits on the ear.
• Best stated overall battery life → Amazfit Up. It lists up to 24 hours, compared with Loluka’s up to 4 hours per charge plus 16 additional hours from its case.
• Best for separating listening sessions between earbuds → Loluka in-Ear. Its product details describe using either earbud individually or both together.
• Best for gym use when touch controls and sweat-resistant controls matter → Amazfit Up. Its touch controls are specifically described as resistant to humidity and sweat; both products list IPX4 resistance.
• Best for a product described for sleep as well as daily listening → Loluka in-Ear. That use is part of its stated positioning, though fit and sleep comfort remain personal.
• Best fit for call-focused use → Amazfit Up. Its AI-enhanced call feature is described as reducing wind and noise; Loluka’s sheet does not specify a comparable call feature.
• Best for shoppers who want the open-ear style rather than an in-ear bud → Amazfit Up. That choice comes down to its physical design, not a claim that one style suits every listener.
My Verdict
In my opinion, I’d choose Amazfit Up for the gym if my main priorities were an open-ear fit, sweat-resistant touch controls, and the longer stated battery life. Its call and voice-assistant features also give it a more clearly described role beyond music.
Before choosing, think about what you want the earbud to feel like during movement. Loluka sits in the ear, while Amazfit is designed to leave the canal unobstructed. Neither design can be called more comfortable for everyone from the specifications alone. If you have a strong preference about in-ear versus open-ear wear, that is likely to matter more than a small difference in wireless details.
Also separate sweat resistance from water immersion. Both sheets list IPX4 protection, with Loluka described as sweat-resistant and Amazfit as water-resistant and sweatproof. Those labels support considering either for workouts, but they do not establish that either product is suitable for swimming or submersion.
Battery figures need a little care, too. Loluka lists up to 4 hours per charge plus 16 hours from its case. Amazfit lists up to 24 hours of battery life and separately gives 18 hours for the case. These are not presented in identical ways, so compare the stated numbers as guidance rather than assuming they describe the same listening pattern or conditions.
Finally, consider what kind of listening you expect. The term “best sleep headphones for gym” combines two very different needs: a discreet earbud for rest and a secure workout option. Loluka is specifically described for sleep, while both products have workout-related features. If you are searching for open ear headphones for gym sessions, Amazfit is the direct match by design. If you want the best sweat resistant open ear headphones for gym, note that Amazfit is the only open-ear pick here, but both products list IPX4 protection; the data does not establish a wider comparison against other headphones.
Amazfit Up is the clearer fit if you want an open-ear design, touch controls described as resistant to sweat and humidity, and a longer stated overall battery life. Loluka also lists IPX4 sweat resistance and may suit you better if you prefer an in-ear shape.
Loluka is the one specifically described for sleep and has a small in-ear design. Amazfit is open-ear, but its provided product details do not identify sleep as a use case. Individual comfort still depends on fit and sleeping position.
Amazfit lists up to 24 hours of battery life, with 18 hours attributed to the charging case. Loluka lists up to 4 hours on a charge and another 16 hours from its case. The figures are stated differently, so they are useful comparisons but not a guarantee of identical use conditions.
Loluka lists no noise control. Amazfit lists active noise cancellation and describes AI-enhanced call noise reduction, while its open-ear design leaves the ear canal unobstructed. The provided details do not specify the strength or real-world effect of either noise feature.
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