Introducing the XO-BCC16 Car Bluetooth Transmitter, the ultimate solution for wireless audio streaming and hands-free calling. With Bluetooth version 5.3, you can enjoy seamless connectivity and high-quality audio transmission. It supports A2DP, AVRCP, HSP, HFP, and MP3/WAV. Plus, with the FM transmitter feature, you can play your favorite songs directly on your car player.