Bluetooth Headphones for sports by JayBird, Bluetooth Stereo Headphones, iPhone Bluetooth headphones, Bluetooth stereo headset by JayBird. For iPhone, iPhone 3G, iPod Nano, Touch, Classic, all MP3 players, mobile phones, PC, Mac, and Gaming. Designed for streaming stereo music and making calls, it's engineered for sports use. It's water and sweat resistant; stays on with confidence and comfort, even in extreme conditions.