Shokz OpenComm2 Bone Conduction Headphones- Bluetooth (Black)OpenComm is the first Shokz Bluetooth headset designed specifically for mobile communication. Engineered with patented 7th generation bone conduction technology and featuring our signature open ear design, OpenComm helps you stay connected to your surroundings while youre on the road, on a jobsite, or anywhere else where you get work done. Ideal for mobile office use. IP55 water and sweat resistant, but not waterproof. (Not for swimming) Lightweight +