Model:HF68 Color:White,Black,Gold,Black Gold Charging port:Micro 5pin Product weight:15g Chipeset:CSR8635 Bluetooth Working range :10m Battery:260mAh Talking time:20H Standby time:300h Music time:about 18H Charging time :about 2H Switch muisc:YES Bluetooth version:4.1 Profile:HFP,HSP,A2DP,AVRCP Frequency range :2.4GHZ IOS Power display:YES 2 Device connect:YES Noise Reduction:CVC 6.0 Product weight:15g