Bluetooth V2.0 with CSR chipset Mono headset
Talk time:Up to 13 hours
Standby time:Up to 300 hours
Weight:about 16 grams
Dimensions(LxW):67x26mm
Battery type: Poly-Li battery
Support profile:Headset and Hands-free
Transfer a call between the mobile phone and the headset
Reversible hook for either ear with smooth material for long hold                        Multifunction:make a call,end a call,reject a call,call redial muting,volume adjustment,call waiting,*voice recognition*

*Some function need the support of the phone feature or network service