Multifunction Wireless Car-Charger Mp3 X8 Car Fm Transmitter

Car FM Transmitter Dual USB Charger Transmitter Hands-free Bluetooth Car Kit Aux Modulator Car Audio MP3 Player · Long press the FMtransmitter answer key until the LED display flashing· Turning the answer knobadjust the same channel at FM transmitter.· Short press the answerkey to fix the channel.· Connect phone bluetoothor insert the USB/TF card, FM Transmitter will start to play.· Note: Please repeatabove steps if has noise interference in the radio.