ITEM NAME:5V/3A A2Dp Fm Transmitter Mp3 Player Lcd Display Car Dual Usb Charger Adapt Z3H6 5V/3A A2Dp Fm Transmitter Mp3 Player Lcd Display Car Dual Usb Charger Adapt Z3H6 Wireless connection: Power on the FM transmitter first, after display the car battery voltage, there is a prompt voice: "Wireless is ready to pair" Turn on your smart phone wireless, search the FM transmitter with the device name T62 (name can be customized) After connected, there is a prompt voice: "Wireless connected successfully" Then you can use wireless function to play music from your smart phone or answer a call with hands-free. Item Type:FM Transmitters Model Name:T62 Out Power:5V / 3A , 9V / 2A , 12V / 1.5A Item Weight:91g Special Features:FM Frequency Voltage:12V Feature 1:Dual USB port Feature 2:Voltage detection & FM Frequency Feature 3:Support TF card Feature 4:hands-free function Feature 5:A2DP music Feature 6:voice prompt FM frequency range:87.6-107.9 MHZ Support file type:WMA/MP3/WAV Screen:LCD display Operation guiding: Plug the FM transmitter into the car cigarette lighter hole to power on. Car battery voltage display function starts working, the display light on with voice prompt: car battery voltage normal/abnormal. Then FM transmitter will display BT with voice: wireless is ready to pair, and will display switch from BT to frequency alternately until you connect with wireless or insert USB/TF memory disk. To use FM transmitter music playing function, turn on the car FM radio, choose a channel, make sure the radio channel is clean to avoid interference by local radio signal. Adjust the FM transmitting frequency to match the car radio FM channel. Insert the USB or TF card, FM transmitter will start to play automatically. colour:Black + silver Material:PC+ metal Package Contents: 1 * Car Bluetooth MP3 Player.Feature 5:A2DP music. Out Power:5V / 3A, 9V / 2A, 12V / 1.5A. To use FM transmitter music playing function, turn on the car FM radio, choose a channel, make sure the radio channel is clean to avoid interference by local radio signal.