Seamless transition from water to land thanks to the OpenSwim Pro's robust IP68 waterproofing. Submerge your OpenSwim Pro up to 2 metres for 2 hours and enjoy perfectly played music without interruption. Switch between Bluetooth and MP3 mode for uninterrupted music enjoyment at the touch of a button in the Shokz app. The OpenSwim Pro is waterproof and versatile while providing a secure fit for your workout - both in the water and on land.