Description: Multifunctional: This adapter can be used as a MP3 player, music transmitter, phone charger and radio, enough to meet your different needs at a time, you can order without worries. It supprts hands-free call and audio navigation because it has a microphone. Wireless: This car audio transmitter is designed with bluetooth-compatible V5.0 technology, which ensures a stereo and lossless sound, and it keeps a stable connection, helping you enjoy music easily. Auto pairing: Connecting to the car, this MP3 player can be connected to the phone bluetooth-compatible function when the screen flashes, it will be connected automatically and you do not need to reconnect it the next time you use it. Application: This wireless phone charger supports U disk and for TF card, you can adjust the frequency of radio and MP3 to the same range to play music in the U disk, meeting your different needs in different conditions. Charging: There are designed with dual USB ports, the outputs are 3.1A and 1A respectively, making it easy for you to charge 2 devices at a time, such as phones, tablets, etc. Specification: Material: ABS. Color: show as pictures. Size: approx. 47x37x79mm/1.85x1.46x3.11inch. Expansion: U disk, TF card≤64G. Transmitting frequency: for 87.5MHZ-108.0MHZ. Power supply: DC5V. Output current: 3.1A, 1A. Display: LED frequency display. Effective distance: approx. ≤10m/32.81ft. Suit cars: 12-24V cars. Bluetooth-compatible version: 5.0. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package Includes: 1 Piece Car Transmitter.