1.4" Bluetooth 5.0 Car FM Transmitter MP3 Player Aux Kit USB Charger Adapter
Wireless Bluetooth Version: 4.1. Bluetooth Microphone Effective Distance: 0.5-2m. Bluetooth Transmission Distance: 10m. FM Transmission Frequency: 87.5-108MHz. 1 x Car MP3 Player. USB Charging Port Output: 5V/1A.