Color Lights: The bluetooth car stereo has 7 color adjustable LED lights, 7 flashing colors, you can also choose to fix one color so it won't flash; come choose your favorite color. Connection and FM: The car radio can be connected to external devices via TF card (32GB), AUX, U disk input (can be connected to the subwoofer from the outside). 1 DIN car radio can store 18 radio stations and has a memory function to save radio stations. Bluetooth hands-free: Bluetooth hands-free car radio has a microphone for hands-free calls and audio transmission, supports IOS and Android; it makes your trip safer and more convenient. Audio format: the radio automatically supports MP3, WMA, WAV, FLAC; The car stereo is equipped with a wireless remote control, which is convenient for the rear seat personnel to control the volume up/down and play/pause. More attention: Our car bluetooth radio is only suitable for 12V cars, not for 24V big cars; CD/VCD/DVD is not supported; if the product has any quality problems, please contact us as soon as possible, we will provide you with quality service guarantee.