"7-color lights: The Bluetooth car audio has 7 LED lights with adjustable colors, and the 7 colors are constantly changing. You can also fix a color you like; come and choose your favorite color Connectivity and FM: The car audio can connect to external devices through TF card (32GB), AUX, and USB disk input (can be connected to an external subwoofer). The Bluetooth car radio can store 18 radio stations and has a memory function to save radio stations. Bluetooth hands-free: The car radio Bluetooth hands-free has a microphone, which can make hands-free calls and audio broadcasts, and supports IOS and Android; it makes your journey more convenient. Audio formats: Support MP3, WMA, WAV, FLAC; The car audio is equipped with a wireless remote control to facilitate the back seat personnel to control the volume and play/pause. More Notes: Our car stereo Bluetooth mono is only suitable for 12V cars, not suitable for 24V larger cars; does not support CD/VCD/DVD. Product: Car audio Bluetooth (excluding CD) Power supply: 12V DC Maximum output power: 60Wx4 Tuner frequency: FM 87.5-108MHz Panel size: 188 x 100 x 58 mm Installation size: 178×100×50 mm Playback mode: Bluetooth/USB/TF(32GB)/AUX Audio support: MP3/WMA/WAV/FLAC More settings: Light adjustment: 1. Press the mode button and the screen switches to "Auto" 2. Rotate the volume button 3. Choose the corresponding color you like (Auto/Blue/Green/Cyan/Red/Purple/Yellow/White) Bluetooth pairing settings: Search for Bluetooth devices on your phone. Use passcode "0000" to pair with the device. Some devices automatically connect to searches. Color: photo color Material: ABS Package Contents: 1 x car audio bluetooth 1 wireless remote control notes: 1. This Bluetooth car audio is not installed and does not contain any memory card. 2. There is no CD space in car audio. This is not compatible with CD/DVD players. 3. This is a car stereo MP3 player with USB/TF card/AUX. 4. Only suitable for 12V DC power supply, do not use on 24V vehicles; Make sure all cables are connected correctly before installation. Contains only the above package contents and does not include other products. Note: Lighting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/-1-3cm. "