1.Bluetooth version: Bluetooth V2.1+EDR 2.Support profile :Headset,HFP,A2DP,AVRCP 3.Typical play music time:up to 5 hours 4. Bluetooth for mobile phone5.Talk time:up to 4 hours6.Standby time:up to 120 hours7.Charging time: about 2 hours8.Battety:120mA 3.7V9.Frequency band:2.4GHz-2.4835GHz10.Output power:0dBm,compliant class211.Effective operation range:10 meters Bluetooth for mobile phone