Generic v4.1 Car Bluetooth Device with MP3 Player  (Black)

-Car transmitter Player FM with MP3 and Bluetooth BT -FM modulator (transmitter) is a compact, mobile device that converts an audio signal into an FM transmitter signal -It can be connected to a CD player, satellite radio, headphone jack or portable player -Most often, FM transmitters are used to play MP3 music through the speakers (acoustic system) of the car -With an FM transmitter, it is convenient to connect your MP3 player to your car or home stereo system via radio -An FM modulator connects to an MP3 player and converts the MP3 files it plays into short range radio waves Support bluetooth calls / bluetooth music streaming -Support TF memory card functions support MP3 / WMA format music -USB 3.1a charging port, suitable for charging all mobile phones and portable electronic devices -LED display -AUX input/output function -Switch with one touch play, pause, close call -Transmission frequency is 87.5-108.0 MHz