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 the button 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.