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