Baseus Solar Car Wireless 5.0 MP3 Player FM Transmitter, Black

Four modes plug and play: It is compatible with multiple audio inputs such as tf cards, usb disks Aux interfaces and wireless players Unify frequency synchronize car with player: adjust the car frequency to the same as the player fm frequency, and play it at will. Refit-free for cars without wireless: cars without wireless can still use this wireless music player Storing solar energy, charging in daytime: the built-in rechargeable battery powered by solar energy can play music all the way Unify Frequency Synchronize Car with Player: Adjust the car frequency to the same as the player FM frequency, and play it at will Hands-free Calls, Safe Driving: Press the screen to answer and hang up the phone Sensing Vibration Auto Re-Connection Memory Function after Shutdown: It features auto waking function, memory function and auto reconnection