High Quality Bluetooth FM Transmitter - Car Bluetooth transmitter more stable FM signal, better anti-interference performance, improved sound experience, and built-in microphone with echo cancellation and noise reduction (CVC) technology. It supports MP3/WMA/WAV/FLAC format. Dual USB Charger Car Charger - Bluetooth FM transmitter with 2 USB ports (5V/2.1A and 1A), you can charge two devices at the same time. You can not only listen to music through the USB hard drive through the USB port with the music symbol, you can also charge any of your devices. Enjoy car stereo streaming and charge mobile phones at the same time. Hands-free calling - The built-in microphone frees up your hand to make calls. You can easily answer, hang up, reject a call, or redial the last number. Car Bluetooth Adopted advanced technology to overpower...