... meter 3,Long standby/Telephone conversation time 4,Bluetooth earphonoe 5,CE&ROHS Wirless Bluetooth Phone HeadsetTechnical Specification: Bluetooththrev:V2.0 Emissive ... the blue lights and flashes.2,Pairing: A:Press the Bluetooth function,device function key,when there is a long bright ... call4,End the call:The call is complited,press the Bluetooth functions keys,which can end the call5,Refuse to answer ...