Bluetooth FM Transmitter, Bluetooth MP3 Player Wireless Radio Adapter, Bluetooth for Car with Dual USB Ports, Hands-Free Wire Kit Support TF Card/USB Stick

Supports TF card and U disk, refined and small portable Automatic storage memory after power off (only with micro SD card) Ultra-low power consumption, energy saving Only consumes 5% electricity when listening to music for 1 hour with Bluetooth Built-in smart microphone for excellent sound quality Answer/hang up call, Connect navigation How to use: turn to the same frequency of the FM car and the item. Turn on your phone's bluetooth, find the HY82 and connect with it. Then you can play music via Bluetooth.