If you want for kids with microphone safety and underwater MP3 playback for lap swimming, choose MARLALL Swimming Headphones-Bone Conduction; if you need reliable all-day battery life and clear calls during land-based workouts, choose JBL Endurance Pace.
• MARLALL: Best-in-class IP68 waterproofing specifically engineered for full submersion and internal 32 GB storage for music without a phone, but Bluetooth does not work underwater.
• JBL: Superior battery endurance with fast charging capabilities and dual-mic call clarity for active runners, though it lacks the internal memory to function independently of a paired device.
• Who picks MARLALL: Swimmers, snorkelers, and those needing an open-ear solution that stays secure in water.
• Who picks JBL: Runners, gym-goers, and anyone prioritizing long battery life and hands-free communication on dry land.
The MARLALL Swimming Headphones-Bone Conduction are built for a very specific environment: water. If your primary activity involves being submerged, whether for laps in a pool or diving into a lake, this is the only logical choice. The design philosophy here is entirely different from standard sport headphones. It utilizes bone conduction technology, which means sound vibrates through the cheekbones rather than blocking the ear canal. This keeps your ears open, allowing you to hear your surroundings while still enjoying audio. Crucially, the product information confirms an IP68 rating, meaning it is fully protected against water immersion, sweat, rain, and dust. You can wear these with confidence while snorkeling or boating without worrying about water damage.
One of the most critical features for swimmers is the inability to stream Bluetooth underwater. Water blocks Bluetooth signals, so the MARLALL includes 32 GB of internal MP3 memory. This allows you to load your own playlists directly onto the device via the magnetic charging cable. You do not need to carry a phone in the pool or trust a waterproof case. You simply press play and swim. The unit weighs just 22.68 grams, making it incredibly lightweight. The liquid silicone material is skin-friendly and conforms to the ear without creating pressure points, which is essential when wearing them for extended periods during long training sessions.
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. Because the device relies on bone conduction and internal storage, the experience changes significantly once you leave the water. While it supports Bluetooth 5.4 for use on land with a range of up to 10 meters, the sound profile is tuned for open-ear awareness rather than deep bass isolation. Additionally, after a swim, you must ensure the microphone is dried thoroughly before taking calls, as moisture trapped inside can affect call quality. This is not a headphone for everyone, but for the swimmer who needs to disconnect from their phone and focus on the rhythm of the water, it is unmatched.
The JBL Endurance Pace targets the active user who spends the majority of their time on land. Its strength lies in its ability to deliver consistent performance over long durations without frequent recharging. The battery life is a standout feature, offering up to 10 hours of continuous music playback. This covers multiple workout sessions or an entire workday of conference calls. If you find yourself constantly hunting for a charger mid-workout, this battery capacity will be a game-changer. Furthermore, the inclusion of a rapid charge feature means that if you forget to plug it in overnight, a quick ten-minute charge provides four additional hours of use.
Comfort is central to the design of the JBL Endurance Pace. It features a titanium memory wire neckband that retains its shape regardless of how you wear it. This ensures a secure fit that won't slip during high-intensity movements like jumping jacks or sprinting. The open-ear design uses JBL OpenSound technology with directional drivers to minimize sound leakage, ensuring your music stays private while still keeping you aware of traffic or gym equipment around you. The two beamforming microphones are specifically designed to isolate your voice from ambient noise, making them excellent for best volume limiting clip on earbuds for teachers scenarios where clear communication is needed amidst background chatter.
While the IP68 rating matches the MARLALL, the application is different. The JBL is built to withstand sweat, rain, salt water, and sand, but it is not designed for submersion. You cannot take these for a swim. The dynamic drivers provide crisp highs and rich mids, powered by an adaptive bass boost algorithm. For runners who need motivation, the bass response is tuned to keep you moving. The controls are straightforward, managed via a three-button interface or the companion app, allowing you to adjust EQ settings or activate Relax Mode for recovery. It is a versatile tool for the runner, cyclist, or hiker who values reliability and audio fidelity over underwater independence.
• Best for underwater use → MARLALL Swimming Headphones-Bone Conduction. Only the MARLALL has the internal 32 GB storage and structural integrity to handle full submersion without a phone.
• Best for battery longevity → JBL Endurance Pace. With 10 hours of playtime and a 10-minute quick charge option, the JBL outlasts most competitors on dry land.
• Best for clear calls in noisy environments → JBL Endurance Pace. The dual beamforming microphones actively cancel ambient noise, whereas the MARLALL requires manual drying to maintain call clarity.
• Best for weight and comfort during swimming → MARLALL Swimming Headphones-Bone Conduction. At under 23 grams with liquid silicone construction, it offers zero-pressure comfort ideal for aquatic sports.
• Best for customization and app integration → JBL Endurance Pace. Users can tweak EQ settings and select presets like Relax Mode directly through the JBL Headphones app.
• Best for independent listening (no phone required) → MARLALL Swimming Headphones-Bone Conduction. The onboard MP3 mode lets you listen to music stored internally, removing the need for a connected device.
• Best for durability against drops and heat → JBL Endurance Pace. The titanium memory frame is explicitly tested to withstand high temperatures and long-distance drops.
• Best for fast charging headband headphones users → JBL Endurance Pace. The ability to gain four hours of power from a ten-minute charge is a unique advantage for busy schedules.
In my opinion, if you are looking for best earphones for nurses or any professional role requiring all-day clarity and battery life, the JBL Endurance Pace is the superior daily driver. Its combination of a memory wire band, dual microphones, and ten-hour battery makes it the most practical choice for active professionals who stay on their feet. However, if your goal is strictly aquatic fitness and you need a device that works without a phone in the water, the MARLALL is the only viable option. I would personally buy the JBL for my morning runs and gym sessions because the battery life and call quality are essential for my routine, but I would switch to the MARLALL the moment I stepped into the pool. Both serve their specific niches perfectly, but the JBL offers more versatility for general outdoor activity.
Only the MARLALL Swimming Headphones-Bone Conduction are suitable for swimming. They feature an IP68 rating and internal MP3 storage for underwater use, whereas the JBL Endurance Pace is designed for sweat and rain resistance only.
The JBL Endurance Pace wins with up to 10 hours of music playback and a rapid 10-minute charge capability that adds four hours of use. The MARLALL is focused on waterproofing rather than extended battery metrics.
The JBL Endurance Pace is superior for calls, featuring two beamforming microphones that actively cancel ambient noise. The MARLALL supports calls but requires careful drying of the microphone after water exposure to maintain clarity.
Yes, both models support Bluetooth connectivity across iOS and Android platforms. The MARLALL uses Bluetooth 5.4 for stable connections, while the JBL also supports app-based customization for sound profiles on both operating systems.
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