Dual Head Bluetooth FM Transmitter Modulator Car Radio Adapter MP3 Player Characteristics: Support Bluetooth connections, Bluetooth music transmission, calling ID. Support TF/U disk playback and card reader function, support MP3/WMA music format. Dual USB charging single port 2.1A can be used for external expansion of portable device function, suitable for charging all mobile phones, tablets and other electronic products. 1.3 dot LED screen, boot display voltage, display frequency, file name and working status information. Support one-click menu settings language, playback mode, sound mode. Support power to disable memory and play folder. AUX input and output function. One machine switch button, pause, reply/listen/button up and down functions. Specifications: Color: show as picture Material: ABS Bluetooth version: 5.0 FM transmission frequency: 87.5-108.0MHZ List of packages: 1 * Bluetooth 1 * User Manual 1 x Adapter Cable 1 * accessories 1. This is a high quality aftermarket replacement product, but not original. 2. 3. Characteristics: 1. Support Bluetooth connections, Bluetooth music transmission, caller identification. 2. Supports TF/U disk card playback and card reader function, supports MP3/WMA music format. 3. Dual single USB 2,1A charging port can be used for the function of external expansion portable device, suitable for charging all mobile phones, tablets and other electronic products. 4,1,3 inch LED screen, displays startup voltage, display frequency, file name and working status information. 5. Support one-click menu settings language, playback mode and sound mode.