... standby/Telephone conversation time 4,Bluetooth earphonoe 5,CE&ROHS Wirless Bluetooth mobile handset Technical Specification: ... and flashes.2,Pairing: A:Press the Bluetooth function,device function key,when there is a ... call:The call is complited,press the Bluetooth functions keys,which can end the call5, ... function key or press the function key for two seconds to achieve re-drawing function7, ...