... box package:Features:Handfree to make a chat with your phone and enjoy your music;12hrs talking time, 300hrs standby ... 70 mmHeadset Weight 92gVOIP SupportMultipoint Technology NoMusic Streaming YesMulti-function Button On/Off YesStandard Bluetooth Features YesStandby Time >3 monthSupported ... audio devices,including computer/laptop and Bluetooth enabled mobile phone,MP3/MP4,IPOD,PAD,etc.Up to 20 meters ...