Feature:Easy Installation, easy to use.Memory Function:Fast Bluetooth pairing. Once paired, Auto-connect next time.Goose Neck Design,Flexible metal hose, convenient to adjust its direction.Great Bluetooth Transmission Range, bluetooth operating distance: up to 30 feet.Small size, fast charger.Bluetooth hands-free, bring your microphoneDouble USB port charge, the output current is 2100maMP3 player in the car, supports the usb stick/TF card playbackBluetooth connection, support voice prompt, map navigationBluetooth music player, which supports music/network musicSuitable for all kinds of music appsSpecification:Model: BT69Supply voltage: 12-24VWork temperature: 0-50 degreesSupport file format: MP3/WMA/A2DPEffective Bluetooth Range: 10 metersFM Frequency: 87.5MHz - 108.0MHZWorking Voltage: 12V~24VAudio Input/Output: 3.5mm audio interfaceUSB Charging Port: 5V/2.1ADemensins: 48x75x48mmPackage Included:1 X Bluetooth FM transmitter1 X User Manual