Style:Ear Hook Communication:ctors:USB Use:Mobile Function:MicroNoise Canng,Bluetooth Material:ABS Application:Bluetooth Devices Usage:MP3 hone PC Bluetooth Version:V4.1 Support:HSP HFP A2DP AVRCP Certificate:CE FCC Color:Black, Gold, White Standby Time:55 Hours Talk Music Time:Up to 5 Hours Charge Time:2 Hours