SHOKZ OpenRun Pro 2 - Bone Conduction Wireless Sports Headphones - Black
Original SHOKZ OpenRun Pro 2 S820 S821mini Bluetooth Earphones IP55 Waterproof Bone Conduction Headphones Music Sports Earbuds. Model:OpenRun Pro 2 S820. Model No: Shokz S820. Battery life: 12 hours.