Car Bluetooth MP3 player Car Bluetooth receiver Hands-free mobile phone navigation call Dual USB fast charger Characteristics: 1. Supports Bluetooth hands-free phone calls through its built-in microphone. 2. Supports A2DP function. The music will be played directly while the phone is connected. 3. Built-in 5V / 4.1A dual USB output, USB 3.1A ports compatibility smart charging, it is available to charge most devices in the car. 4. LCD display of frequency and voltage. 5. Notice of voice number in English. 6. Support SD / U disk TF and memory card, can play MP3 / WMA / APE / FLAV / WAV format music files. 7. With FM channel support, this wireless car MP3 FM transmitter allows you to take a break from your normal music. 8. Connect MP3 player to your car cigarette lighter directly, easy to use and carry. 9. Cancellation of echo and nosie; 10. stereo bluetooth and FM transmission 11. Auto power off memory function; Specification: Type: Car MP3 Player Material: ABS Lampshade Color: Black Bluetooth version: Bluetooth 5.0 Supported files: MP3 / WMA / Mono / FLAV / WAV Effective distance: 5m / 16.4ft Operating voltage: DC 12V-24V USB output: 5V / 3.1A (smart IC) 5V / 1A Package list: 1 * car player 1 * English user manual