If you want open-ear headphones with RGB lighting and a charging case for everyday workouts, choose Yistao Bone Conduction Headphones; if you need built-in music storage for swimming, choose RELAXYO Bone Conduction Swimming. For swimming specifically, RELAXYO is the more practical choice because its 32GB MP3 mode works underwater, where Bluetooth cannot transmit.
Yistao’s strongest case is its open-ear design, visibility lighting, and up to 30 hours of total playtime with the charging case. RELAXYO trades the case-based battery total for onboard storage and an explicit swim-use mode.
Yistao Bone Conduction Headphones vs RELAXYO Bone Conduction Swimming at a Glance
• RELAXYO’s biggest strength: 32GB of music storage and MP3 playback for swimming. Trade-off: its stated battery life is up to 7 hours, with no charging-case total listed.
• Choose Yistao for open-ear listening, low-light workouts, and charging-case convenience.
• Choose RELAXYO for swimming without relying on a nearby Bluetooth connection.
• Both have an open-ear bone-conduction design and an IP68 rating, but their most useful features point to different routines.
Yistao makes the stronger case for someone whose routine includes running, cycling, commuting, or general workouts rather than underwater listening. Its open-ear design leaves the ear canal uncovered, and the product includes RGB lighting intended to improve visibility in low-light conditions. That combination may appeal to people who want to listen while remaining aware of surrounding sounds.
Battery convenience is another clear strength. Yistao lists up to 7 hours of continuous listening on a charge and up to 30 hours total when using the charging case. The product also weighs less than 0.24 ounces per earbud, according to its specifications. That lightweight setup, together with the case, suits someone moving between errands and exercise who would rather not recharge after every session.
How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-22 · 6 min read · Independent comparison
RELAXYO is the more direct fit for swimming because it has 32GB of built-in storage and an MP3 mode. Its instructions specify switching to MP3 mode in the water: Bluetooth cannot transmit underwater. That distinction matters more than the Bluetooth version when you are choosing earbuds for swimming. Music needs to be stored on the headphones before you get in.
Away from the pool, RELAXYO also offers Bluetooth 5.4 connectivity, a stated range of 10 meters, and up to 7 hours of music playback. Its memory titanium frame is described as flexible, and the open-ear design leaves the ear canal uncovered. The three-button control scheme handles basic playback and mode changes. Those features make it a reasonable match for someone who wants one headset for swimming and land-based workouts.
The main compromise is the battery information: RELAXYO lists up to 7 hours but does not specify a charging case or an extended combined-playtime figure. It also requires some setup for swimming: transfer music to its storage and switch to MP3 mode before entering the water. If you want a simple everyday open-ear headset with a case and lighting, Yistao has the clearer appeal. If swimming is the central use, RELAXYO’s built-in storage addresses the key practical limitation.
• Best for swimming with stored music → RELAXYO Bone Conduction Swimming. Its 32GB storage and MP3 mode are designed for listening underwater; Bluetooth itself cannot transmit in water.
• Best for longer total listening with a case → Yistao Bone Conduction Headphones. Yistao lists up to 30 hours combined with its charging case, compared with RELAXYO’s stated 7 hours.
• Best for low-light workouts → Yistao Bone Conduction Headphones. Its RGB lighting is intended to make the wearer more visible during night runs and rides.
• Best if you want Bluetooth 5.4 specified → RELAXYO Bone Conduction Swimming. It lists Bluetooth 5.4 and a 10-meter range in barrier-free conditions.
• Best for a flexible memory titanium frame → RELAXYO Bone Conduction Swimming. That frame is described as bendable and designed to conform to the ear’s shape.
• Best for an open-ear sports headset with a charging case → Yistao Bone Conduction Headphones. Its case is part of the stated 30-hour total-playtime setup.
• Best for music that does not depend on a phone connection in the pool → RELAXYO Bone Conduction Swimming. Load tracks onto its built-in storage and use MP3 mode.
• Best extra bass earphones for swimming? Neither sheet gives a bass-specific claim. For swimming, I’d choose RELAXYO for its storage and underwater mode, not because of an unlisted bass feature.
The phrase “wireless Bluetooth earbuds for swimming” can be misleading if it suggests that Bluetooth will keep streaming underwater. RELAXYO’s own instructions clarify the limitation: Bluetooth cannot transmit underwater, so its MP3 mode is the feature that matters in the pool. Yistao’s IP68 rating makes it suitable for water exposure according to its specifications, but there is no equivalent built-in music-storage feature listed.
My Verdict
In my opinion, I’d buy RELAXYO Bone Conduction Swimming if swimming is the main use.
Its 32GB storage and MP3 mode solve the practical problem of listening when Bluetooth cannot transmit underwater.
I’d choose Yistao instead for land-based workouts, especially if RGB visibility and a charging-case playtime total matter more.
For swimming, RELAXYO is my pick because its core playback feature matches the activity.
Yistao lists an IP68 rating, but its specifications do not describe onboard MP3 storage or an underwater playback mode. If you want music while swimming, RELAXYO’s MP3 mode is the more clearly specified option.
No. RELAXYO states that Bluetooth cannot transmit underwater. Transfer music to its built-in storage and switch to MP3 mode before swimming.
Yistao lists up to 7 hours of continuous listening and up to 30 hours when the charging case is included. RELAXYO lists up to 7 hours of music playback and a 1.5-hour charging time.
RELAXYO is the more swimming-oriented choice because it combines MP3 storage for underwater use with Bluetooth for land-based listening. Yistao may suit a runner better if RGB lighting and charging-case convenience are the priorities.
• InnoGear Gaming Mic USB vs SpinBot BattleBudz C30
• QXUFV Open Ear Headphones vs MIPOW x Miffy Miffy
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.