This car Bluetooth FM transmitter features CVC noise reduction technology for clear calls and has a small, simple design. It has 3.1A fast charging and a 1A charging port, and supports lossless audio coding and high-resolution stereo playback. The device is made of ABS material and has a non-slip metal shrapnel on both sides. It supports Bluetooth 5.0 and has a frequency range of 87.5-108MHz. The package includes one car BT player.