If you want a robust, feature-rich device with zero-delay Bluetooth 6.0 connectivity and an extended 10-hour battery life for mixed use including laptop audio, choose Rhyfell Bone Conduction Swimming; if you need the lightest possible underwater companion that prioritizes pure MP3 playback mode and a secure ear-hook fit for lap swimming, choose MARLALL Bone Conduction Swimming.
• Rhyfell Bone Conduction Swimming: Its biggest strength is the dual-mode versatility with Bluetooth 6.0 and a massive 10-hour battery, but its trade-off is a slightly heavier 28g frame compared to the competition. This pick is for athletes who want one device for pool sessions and land-based workouts on their laptop or phone.
• MARLALL Bone Conduction Swimming: Its biggest strength is the ultra-lightweight 22.68g design and specialized IPX8 seal for dedicated lap swimming, but its trade-off is the lack of Bluetooth support underwater and a shorter 7-hour playtime. This pick is for serious swimmers who prioritize weight reduction and purely wired MP3 functionality in the water.
The Rhyfell Fit 5 stands out as a hybrid powerhouse designed for those who refuse to switch devices between their morning swim and their afternoon run. The defining feature here is the integration of Bluetooth 6.0 technology, which offers instant pairing and stable synchronization with a range of up to 10 meters. This makes it an excellent choice for anyone looking for bone conduction headphones for laptop users who want to listen to podcasts or music while working from home without blocking out the room entirely. Unlike many competitors that lock you into a single mode, Rhyfell allows you to enjoy preloaded tracks via its 32GB internal storage or stream wirelessly when you are out of the water.
For the athlete who values endurance, the 10-hour continuous playtime is a game-changer. Most industry standards hover around five hours, meaning you would typically have to recharge mid-day during long training blocks. With Rhyfell, you get double that stamina, ensuring your device lasts from sunrise marathons to sunset hikes without needing a power source. The built-in 32GB memory is equally impressive, capable of holding over 8,000 songs.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-29 · 6 min read · Independent comparison
However, this versatility comes with a slight physical cost. At 28 grams, it is not the lightest option on the market. While the liquid silicone material and ergonomic circle shape are designed to stay secure during high-intensity training, the extra mass might be noticeable to someone who is extremely sensitive to weight on their head. If your primary goal is absolute minimalism and you only plan to use the device strictly for underwater laps where Bluetooth is useless anyway, the added bulk of the Bluetooth chip and larger battery might feel unnecessary. But for the triathlete or runner who needs a single device to handle everything from deep-water dives to dry-land cardio, the Rhyffel's comprehensive feature set outweighs the minor weight difference.
The MARLALL X26 is engineered with a singular, focused purpose: to be the ultimate tool for competitive lap swimming. Its most striking attribute is its featherlight construction at just 22.68 grams. In the water, every gram counts against drag and comfort, and MARLALL has stripped away anything that doesn't serve the core function of underwater audio. The design features an ergonomic ear-hook configuration that evenly distributes pressure, ensuring the device stays put even during flip turns or vigorous kicking. For those who find other clips shift or slide during intense movement, the specific overmold liquid silicone and sealed IPX8 rating provide a sense of security that is hard to beat.
This device operates exclusively in MP3 mode when submerged, a crucial distinction for safety and performance. The product information explicitly notes that Bluetooth mode is not supported underwater, so you must rely on the 32GB internal storage for your music. While this limitation sounds restrictive, it is actually a feature for purists. It eliminates any risk of signal interference or latency issues while you are beneath the surface. The magnetic charging cable simplifies the post-swim routine, allowing for direct computer access to manage playlists without fumbling with small ports. A quick 1.5-hour charge delivers up to 7 hours of playback, which is sufficient for most daily training sessions, though it falls short of the all-day marathon capability found in the Rhyfell.
Who should skip this? If you are looking for a versatile pair of best wireless clip on earbuds for laptop usage that doubles as a pool toy, MARLALL might frustrate you. You cannot simply pair it wirelessly to your desktop or phone for office work; it is a dedicated swim player first and foremost. Additionally, the note regarding the microphone suggests that call quality might be compromised if the unit isn't dried properly after use. This product is ideal for the swimmer who treats their training with military precision, wants the lightest possible gear, and does not mind carrying a separate device for non-swimming activities. It is the specialist's choice for those who prioritize a secure, unobtrusive fit over multi-functionality.
• Best for Battery Life → Rhyfell Bone Conduction Swimming: With 10 hours of continuous playtime versus MARLALL's 7 hours, Rhyfell wins for all-day adventures.
• Best for Wireless Versatility → Rhyfell Bone Conduction Swimming: Only Rhyfell supports Bluetooth 6.0 for streaming, making it suitable for land-based use and voice assistant in ear headphones for laptop scenarios.
• Best for Weight Reduction → MARLALL Bone Conduction Swimming: At 22.68g, MARLALL is significantly lighter than Rhyfell's 28g, reducing fatigue during long swims.
• Best for Fast Data Transfer → Rhyfell Bone Conduction Swimming: The 18MB/s transfer speed allows for loading thousands of songs in minutes, faster than standard alternatives.
• Best for Dedicated Lap Swimming → MARLALL Bone Conduction Swimming: The specific ear-hook design and focus on MP3-only underwater modes cater directly to swimmers.
• Best for Charging Convenience → MARLALL Bone Conduction Swimming: The magnetic charging cable offers a straightforward connection method for playlist management.
• Best for Outdoor Awareness → Both: Both utilize open-ear bone conduction technology to keep your ears free for ambient sound awareness.
• Best Value for Multi-Sport Athletes → Rhyfell Bone Conduction Swimming: The ability to switch between Bluetooth and MP3 makes it a better all-around investment for diverse routines.
In my opinion, I would buy the Rhyfell Bone Conduction Swimming because it offers superior flexibility for the modern active lifestyle. While MARLALL excels in the water, the Rhyfell's Bluetooth 6.0 capabilities and longer battery life make it a more practical solution for someone who uses bone conduction headphones for laptop sessions and outdoor running alongside their swimming. The 10-hour battery ensures you never worry about power, and the fast data transfer means your library is always ready. Unless your sole priority is minimizing weight for professional lap swimming, the Rhyfell provides a more complete package for everyday use.
Yes, the Rhyfell model supports Bluetooth 6.0, allowing you to connect wirelessly to your laptop for music or calls. The MARLALL model requires an MP3 file transfer for use and does not support Bluetooth connectivity.
The Rhyfell Bone Conduction Swimming offers 10 hours of continuous playtime, whereas the MARLALL model provides up to 7 hours of playback per charge.
Both models offer high-level protection, with Rhyfell rated IP68 for submersion up to 2-5 meters and MARLALL rated IPX8 for resisting water immersion. However, both require MP3 mode for underwater use.
You can transfer up to 8,000+ songs to either device via USB. Rhyfell boasts a significantly faster transfer speed (18MB/s) compared to older generation speeds, while MARLALL utilizes a magnetic charging cable for direct computer access.
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