Free Shipping FM Transmitter Bluetooth 5.0 Car Charger 2 Hands-free Calling USB Ports 5V / 3.1A 5V / 1A Built-in Microphone MP3 Player A& CVC Noise Reduction Dual USB Charging Ports: The FM transmitter is equipped with two USB ports (5V / 3.1A and 5V / 1A), allowing you to charge your phone and tablet simultaneously, so you don't have to worry about running out of battery. Hands-free allows you to hear the other person's voice from your car stereo through the FM transmitter without using your smartphone, ensuring safety even while driving at high speeds. CVC noise-canceling technology minimizes noise and static common in FM devices, and the built-in high-sensitivity microphone enables high-quality, clear calls. Hands-free calling and song changes: Use the FM transmitter's buttons to answer, hang up, reject and call back, and switch songs with one key, avoiding frequent phone viewing and ensuring driving safety. Hands-free calling and song changes: Use the FM transmitter's buttons to answer, hang up, reject and call back, and switch songs with one key, avoiding frequent phone viewing and ensuring driving safety. Unused Specifications: Type: Car MP3 Player Material: ABS Display color: Black Bluetooth version: Bluetooth 5.0 Support: MP3/WMA/APE/FLAV/WAV FM frequency range: 87.5-108.0MHz Effective distance: 5 meters / 16.4ft Operating voltage: DC 12V-24V USB output: 5V/3.1A (Smart IC), 5V/1A Ports: 2 * USB 2.0; 1 * TF card input, 32GB max (TF card sold separately) Size: 3.8 * 4.6 * 7.8 cm Weight: 33g English User Manual No box