Style:Bluetooth headset Bluetooth version:Bluetooth V4.0 Color: Black,white，golden Operation distance: 10m Transfer frequency: 2.4GHz Compatibale with:All Bluetooth Mobile Phone Holding time: about 5 hours Stand-by time: 160 hours Function:noise cancelling Bluetooth headsets telephone answering and dial Support for listening to music One-to-two equipment(Two phone connect) Package list: 1*Bluetooth headset 1*Ear-hook 1*Charge cable 1*Manual