Bluetoothversion:1.2(II)Support:AllbluetoothcellphoneandbluetoothhandsfreeFrequency:2.4GHzUSBInterface:FullspeedUSB2.0Profile:A2DP,Headset,HandsfrePowersoure:DC12V-24VcigarettelightersocketTemperaturerange:-20℃～70℃FMtran***itterrange:87.5to108.OMHz,total206channelsReadMP3/WMAfilefromtheUSBport,SD/MMCcarddirectlyBuilt-instereoFMtran***itterFeature:•PlugsintocigarlighteroncarandpairswithyourBluetoothmobilephoneOncepaired,theunitautomaticallyconnectstoyourphonebyBluetooth•Hands-freecallsh***eneverbeensosimple!•echocancellation•Onekeytoanswer/reject/pairmobilephone•Tran***issionthroughthevehicle'sspeakers•PlaysmusicstoredoncompatibleBluetoothstereo(A2DP)devices•auto-playmusicaftercallends•Enjoyvoiceandmusicoveryourcarstereo••Compactandportable,yetcapableofdeliveringvoiceandmusicoverthevehicle'sspeakers(containsahigh-qualityFMstereotran***itter)