Feature:Blutooth Vresion:3.0Bluetooth Transmission Distance:5mRating Working Voltage:12v-24vMax Working Voltage:9-26vFrequency Response:20Hz-15khzFM transmission frequency of 87.5-89.0-90.5-101.0-101.0-101.0Color:BlackPackage Include:1 X Wireless Bluetooth Handsfree Car Kit