BLUETOOTH VERSION:JIANRONGBluetooth V4.2
TRANSMISSION DISTANCE:10M                                                                                                                                                            WORK TIME:10H                                                       
STAND-BY TIME:120H                                                            
BATTERY:500mAhRECHARGEABLE LI BATTERY                                             
FUNCTION:ADJUST VOLUME,CHANGE SONGS,ANSWER THE PHONE,PHONE REJECT,HANG UP,BLUETOOTH PLAY,HAND FREE,PHONE REPLAY,BLUETOOTH CONNETCION,VOICE PROMT,BATTERY STATUS,FM,TF,EQ ,ENGLISH BROADCAST