USB with Charging Mark supports charging at 2.1A(max) and another with tone mark supports charging at 1A(max), which is better to be used as extended port for connecting USB Flash Drive to play music.
Featuring bluetooth 5.0, it is able to be compatible with most mobile phones, ideal for home or vehicle audio systems.
Function: Play/pause music, Hands-free Call, Radio Play, Display Car Battery Voltage.
2 USB ports for charging and connecting device, also supports TF card for music playing.
Package
1 x Bluetooth FM Transmitter for Car
Note
If you need a retail box. Please contact customer service