... degree Omni direction microphone 3.O Stereo audio bluetooth mp3 player Headset 1.Bluetooth stereo headset lets you listen to music ... a button4.Lightweight,comfortable design for all-day listening5.Compatible with bluetooth enable devices,such as iphone,ipad,most computers, ... H L and the relevant electronic product,to provide customer with design, tooling, electronics, assembly, and a full range of ...