Features:1.Chinese English switching function2.Wireless music player function3.Support connect to 2 mobile phones simultaneously4.Voice prompt caller phone number5.Fashion and high quality PC button6.Compatible with multi devices: for Tablet， for PC/ iPad/iPhone/Nokia/HTC/ Samsung/LG/Moto/PC/iPad/PSP， and other device which comes with Bluetooth functionsSpecifications:Bluetooth version: V4.1Operation distance: 10m (free space)Stereo audio: APTXWorking time: approx 3 hoursCommunication time: approx 5 hoursBluetooth protocol: HSPv 1.2， SPPv 1.2， AVRCPv 1.4， HFPv 1.6Color: black， white， green， bluePackage Include:1 x Wireless Bluetooth Headset1 x USB Charger Cable