If you want a dedicated device for underwater laps with massive built-in storage, choose Rhyfell Bone Conduction Swimming; if you need longer battery life and enhanced audio depth for daily running, choose ZOVIMAX Bone Conduction Headphones.
• Rhyfell: Its superpower is the IP68 swim-proof rating and 32GB internal storage for phone-free swimming, but it lacks a dual-driver system for deep bass. Best for serious swimmers and triathletes.
• ZOVIMAX: It offers 12 hours of playtime and a dual-driver setup for richer sound, yet its IPX7 rating means it isn't designed for full submersion. Best for runners who want premium audio clarity.
• The Choice: Pick the Rhyfell if your workout starts in a pool; pick the ZOVIMAX if your workout happens on the pavement.
The Rhyfell Fit 5 is engineered with a singular, specific purpose in mind: to be a companion in the water. If you are someone who spends significant time doing laps or training for open-water events, this device changes the game entirely. The standout feature here is the professional IP68 waterproof certification, which allows the unit to be fully submerged up to 5 meters without any risk of water damage. This isn't just about splash resistance from rain or sweat; it is about surviving the pressure of being underwater. Most headphones simply cannot handle this environment, making the Rhyfell the only logical choice for anyone who wants to listen to music while diving below the surface.
What truly sets this model apart from standard Bluetooth earbuds is the massive 32GB of built-in high-speed storage. You can load over 8,000 songs directly onto the device, allowing you to leave your phone behind completely. With a transmission speed that is eighteen times faster than previous generations, syncing your entire library takes minutes rather than hours. This means you can dive into the pool with your own curated playlist, independent of any external device. There is no need to carry a waterproof phone case or worry about cable tangles during a vigorous swim. The MP3 mode ensures your rhythm stays consistent even when there is no signal.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-24 · 6 min read · Independent comparison
For those who prioritize stability and comfort during high-intensity movement, the design philosophy here is equally impressive. Weighing in at just 28 grams, the frame is constructed from liquid silicone, an ergonomic choice that keeps the device secure without pressing against your ears. This ultra-lightweight build is crucial for long-duration wear, whether you are completing a marathon training session or surfboarding. The bone conduction technology keeps your ears open, ensuring you remain aware of your surroundings, which is a safety necessity for outdoor sports. However, if your primary goal is deep, immersive bass or gaming, this unit might feel too focused on utility over sonic richness. It is a tool first, designed for athletes who need reliability in wet conditions above all else.
The ZOVIMAX L6 Pro enters the conversation as a powerhouse for land-based activities, specifically targeting the runner who refuses to compromise on sound quality or battery endurance. While it shares the open-ear philosophy with the Rhyfell, its hardware architecture is tuned differently. The defining feature here is the dual-driver sound system. By combining bone conduction with air conduction, the headphones separate low and high frequencies across two distinct paths. This results in a fuller, more balanced audio experience with improved clarity and depth compared to single-driver models. If you care about hearing the crisp details in vocals or a bit more punch in the bass while you jog, this dual-driver setup delivers a significantly richer listening experience.
Battery anxiety is a common complaint among active users, and the ZOVIMAX addresses this head-on with an impressive 12-hour continuous playtime. After a quick two-hour charge, you get enough power to last through multiple training sessions, a full day of commuting, or extended work blocks. The inclusion of an LED display adds a layer of practicality, letting you check the exact remaining battery level at a glance so you never get caught off guard mid-run. This longevity makes it ideal for the "all-day" user who needs their headphones to survive everything from morning yoga to evening workouts without needing a recharge station.
Comfort and connectivity are also where this model shines for the modern athlete. The flexible titanium frame combined with a non-slip silicone coating ensures a secure fit that adapts to various head shapes. Even if you wear glasses or run with a helmet, the design prevents pressure points and interference. The Bluetooth 6.0 chip supports low-latency Game Mode, which synchronizes audio and visuals precisely, a feature that might appeal to mobile gamers or those who enjoy video content alongside their runs. Additionally, the IPX7 waterproof rating provides robust protection against heavy rain and intense sweat, though it is not rated for submersion like the Rhyfell. This is the definitive choice for open-air enthusiasts who value durability, sound fidelity, and long-lasting power over underwater capability.
• Best for swimming and submersion → Rhyfell Bone Conduction Swimming (IP68 certified for 5-meter depth).
• Best for battery life → ZOVIMAX Bone Conduction Headphones (12 hours vs. 10 hours).
• Best for audio depth and clarity → ZOVIMAX Bone Conduction Headphones (Dual-driver architecture).
• Best for phone-free swimming → Rhyfell Bone Conduction Swimming (32GB internal storage).
• Best for running and jogging → ZOVIMAX Bone Conduction Headphones (Lighter weight profile and better bass response).
• Best for durability against sweat/rain → Both are excellent, but ZOVIMAX has a slightly higher IP rating for surface exposure.
• Best for low-latency gaming → ZOVIMAX Bone Conduction Headphones (Dedicated Game Mode).
• Best value for multi-sport athletes → Rhyfell Bone Conduction Swimming (Versatile for pool and land, though heavier on storage).
In my opinion, if I had to choose one pair for my own routine, I would buy the ZOVIMAX Bone Conduction Headphones. The reason is simple: most of my active days happen on land, and the dual-driver system offers a listening experience that feels much more complete than the single-driver alternative. The extra two hours of battery life and the LED display provide a peace of mind that is essential when you are out for a long distance run. While the Rhyfell is undeniably superior for swimming, the ZOVIMAX strikes a better balance for general fitness, offering clearer sound and longer endurance without sacrificing the safety of the open-ear design. For anyone looking for the ultimate open ear headphones for jogging, this is the clear winner.
Yes, both models offer strong water resistance. The ZOVIMAX is IPX7 rated, and the Rhyfell is IP68, meaning both can handle heavy sweat and rain without issues, though only the Rhyfell can be submerged.
Not necessarily. The Rhyfell comes with 32GB of internal storage, so you can download songs directly and swim without a phone. The ZOVIMAX requires a phone connection via Bluetooth for playback.
The ZOVIMAX generally offers better sound quality due to its dual-driver architecture, which provides deeper bass and clearer highs compared to the standard driver found in the Rhyfell.
Yes, both designs feature flexible frames and ergonomic fits that accommodate glasses comfortably without causing pressure or slipping during intense movement.
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