If you want the most reliable, safety-focused headset for outdoor running and studying in noisy environments, choose Shokz OpenRun Bone Conduction; if you need a dedicated underwater audio solution for lap swimming or marathon training, choose RELAXYO Bone Conduction Swimming. These two devices serve fundamentally different masters, and picking the wrong one means ending up with headphones that either leak water during your swim or lack the storage needed to listen without a phone while you are underwater.
• Shokz OpenRun: Best-in-class battery life (8 hours) and robust IP67 sweat resistance for intense land workouts, but it lacks internal storage and cannot be used for swimming.
• RELAXYO Swimming: Features 32GB of built-in storage and an IP68 rating that handles full submersion, making it ideal for swimmers, though its battery life is slightly shorter at 7 hours.
• The Verdict: Pick Shokz if you prioritize long listening sessions for studying or running; pick RELAXYO if your primary goal is swimming or needing offline music without a phone.
The Shokz OpenRun is engineered for the athlete who stays on land. Its core strength lies in the balance between durability and extended listening time. With an IP67 water resistance rating, this device is built to withstand the heaviest sweats, rain, and accidental splashes. This distinction is critical because while it handles moisture well, it is not sealed against submersion. If you plan to wear these in a pool, they will fail.
For someone looking for a best bluetooth headset for studying, the Shokz offers a distinct advantage in battery longevity. You get eight continuous hours of playback on a single charge. This is substantial enough to cover a full day of lectures, a long study session at the library, or a multi-hour run without needing to plug into a power source. The quick-charge feature is also notable; a mere ten-minute charge provides 1.5 hours of use. This is perfect for those mornings when you rush out the door and forget to charge your gear overnight.
The design philosophy here is stability and comfort for active movement. The unit weighs only 26 grams, constructed from a nickel-titanium alloy frame that wraps securely around the head. This lightweight construction ensures that the headphones do not bounce or slip during high-intensity interval training or long-distance cycling. The open-ear design keeps your eardrums open to your surroundings, which is a non-negotiable safety feature for runners sharing sidewalks with cars. While the sound quality is premium for bone conduction technology, transmitting vibrations through the cheekbone rather than air pressure, the priority remains situational awareness.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-25 · 7 min read · Independent comparison
However, there is a trade-off you must accept. This device requires a Bluetooth connection to a phone, tablet, or computer to play music. It has no internal memory to store files independently. If you leave your phone at home, you have silence. Furthermore, while it handles sweat and rain perfectly, it cannot handle the pressure of being underwater. If your study routine involves working out by the pool or in the shower where submersion is possible, this is not the tool for the job. It is a terrestrial powerhouse, designed to keep you safe, connected, and motivated on land.
The RELAXYO X26 is a specialized tool for the aquatic athlete. Its defining feature is the combination of an IP68 waterproof rating and 32GB of built-in storage. Unlike the Shokz, which relies entirely on a Bluetooth stream, the RELAXYO can operate as a standalone MP3 player. This is essential for swimming because Bluetooth signals cannot transmit effectively through water. By switching to MP3 mode, you can carry thousands of songs directly on the device, ensuring uninterrupted audio even when submerged in a deep pool.
This makes it the ideal choice for a gaming headset for studying scenarios that involve physical activity near water, or specifically for those who need to focus while treading water or doing laps. The 32GB capacity holds up to 7,000 songs, meaning you never need to pair with a phone to enjoy your playlist. The device uses Bluetooth 5.4, offering a strong connection range of over 10 meters when you are out of the water, but once you dive, the internal storage takes over completely. The memory titanium frame allows for flexibility, bending to fit various head shapes comfortably under swim caps and goggles.
The control scheme is straightforward, utilizing three buttons for power, volume, and mode switching. This simplicity is a feature, not a bug, especially when wearing thick gloves or wet hands. The battery life sits at 7 hours, which is excellent for a full day of training, though it falls just short of the Shokz's eight-hour capability. Charging takes 1.5 hours, which is reasonable but slower than the instant-gratification of the Shokz's quick charge.
Who should skip this? If you are strictly a runner or cyclist who never enters a pool, the RELAXYO might feel like overkill. The reliance on MP3 mode for underwater use means you must manage file transfers via a computer, which adds a step to your workflow compared to simply streaming via Bluetooth. It is a heavy-lifter for specific aquatic needs, but for general daily driving or casual listening on a bike path, the extra complexity of managing internal files might not be worth the benefit unless you specifically require the underwater capability.
• Best for battery life → Shokz OpenRun Bone Conduction: At 8 hours versus 7 hours, the Shokz wins for marathon study sessions or ultra-long runs.
• Best for underwater use → RELAXYO Bone Conduction Swimming: Only the RELAXYO has the IP68 rating and internal storage required for swimming.
• Best for quick charging → Shokz OpenRun Bone Conduction: A 10-minute charge gives 1.5 hours of use; RELAXYO requires a full 1.5-hour charge cycle.
• Best for standalone audio → RELAXYO Bone Conduction Swimming: The 32GB internal storage lets you listen without a phone, crucial for swimming.
• Best for safety awareness → Shokz OpenRun Bone Conduction: Both are open-ear, but the Shokz is optimized for road safety with its specific focus on outdoor sports.
• Best value for swimmers → RELAXYO Bone Conduction Swimming: Without the ability to store music internally, a standard headphone is useless for swimming; RELAXYO solves this.
• Best for weight → Shokz OpenRun Bone Conduction: At 26 grams, it is exceptionally light, reducing fatigue during long wear.
• Best for connectivity → RELAXYO Bone Conduction Swimming: Uses the newer Bluetooth 5.4 standard, potentially offering slightly better signal stability on land compared to 5.1.
I would buy the Shokz OpenRun Bone Conduction for my own needs, primarily because I spend a significant amount of time for studying in libraries and coffee shops, and then transition immediately to outdoor runs. The eight-hour battery life is a game-changer for me; I can study all morning, run for an hour, and still have power left for the afternoon commute. The ability to quickly charge it in ten minutes before leaving the house is a convenience I cannot live without. While the RELAXYO is an incredible machine for swimmers, I do not swim competitively, so the internal storage and IP68 rating are features I do not need enough to justify the trade-offs in battery speed and simplicity. For anyone prioritizing a seamless blend of study focus and land-based fitness, the Shokz is the clear winner.
Yes, both models feature open-ear designs that allow you to hear your environment while listening to audio, which is helpful for maintaining focus without isolating yourself completely. The Shokz is often preferred for this due to its longer battery life and stable connection for long sessions.
No, the Shokz OpenRun has an IP67 rating which protects against sweat and rain but is explicitly not suitable for swimming or submersion. You must use the RELAXYO model for any water-based activities.
Yes, because the RELAXYO relies on its 32GB internal storage for underwater use, you must connect the device to a computer to transfer your music files before going to the pool.
The Shokz OpenRun lasts for 8 hours of continuous playback, whereas the RELAXYO provides up to 7 hours. Both offer ample time for a full day of use.
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