Features: 1.Multifunctional Design: The Bluetooth transmitter combines a car MP3 player, Bluetooth receiver, USB port, and car ambient light, catering to various needs in one device. 2.Clear Quality Music Experience: Supports multiple audio formats and delivers clear sound quality, allowing you to enjoy an exceptional auditory experience. 3.Car Charging Function: Equipped with a USB interface, car MP3 player provides a convenient charging option for your phone or other devices while in the car. 4.Ambient Light Effects: Built in ambient light offers various color modes, creating a warm and romantic ambiance inside your vehicle. 5.Simple Operation: One touch switching of audio sources makes it convenient and quick, eliminating the need for complicated settings. Specification: Item Type: Car MP3 Player_x000D_ Material: ABS plastic_x000D_ Memory Card: Not included