Brand: Shokz. MPN: S710-ST-GY-US. Enjoy seamless transition from water to land, thanks to OpenSwim Pro's durable IP68 waterproof rating. Submerge your OpenSwim Pro up to 2 meters for 2 hours, seamlessly playing your tunes with perfection. Switch between Bluetooth and MP3 mode for uninterrupted music with a button press or in the Shokz App. OpenSwim Pro is tailored waterproof, versatile, while fitting safe and secure for your workout routine — in the water or on the land.