Description: This car MP3 player support RGB ambient light, FM stereo transmission technology, U disk playback, and Bluetooth-compatible stereo music DSP technology. And it features battery voltage detection, auto power off memory function, and Bluetooth-compatible hands-free calling. Featuring 3 ports (dual USB and one PD port), this car charger adapter can provide rapid charging for 2 devices simultaneously without getting hot. It is constructed of ABS material. The length of this product is 10cm, the width is 6.5cm and the height is 5cm. It is suitable for small cars, off road vehicles, mini vans, yachts, motorcycles, ships. (No more than 24V) Item Name: Car Charger Material: ABS Input Voltage: 12-24V Output Voltage: 5V-1.5A or 5V-3.1A Total Power: 7.5-20W Output Port: PD+USB 3.1A+USB 1.0A Bluetooth-compatible Version: Bluetooth-compatible 5.0 Support Music Format Files: WMA, MP3, WAV, FLAC Bluetooth-compatible Support: A2DP, AVRCP, HFP, HSP Features: Bluetooth-compatible Hands-free Calling, Three Ports, Fast Charge Size Details: L: 10cm/3.94", W: 6.5cm/2.56", H: 5cm/1.97" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Charger 1 x User Manual