Bluetooth version: JL 2.1
Bluetooth Protocol: AVRCP, HFP, A2DP
Screen Display:Yellow LED digital display
Frequency range: 87.5~108.0MHz
Frequency stability: ±10ppml
Product Input: 12~24V
Charger output: 5V/2.4A
Music Format: MP3
Mic:�4.0MM*1.5MM
USB(Max capacity): 32GB
USB: FAT32
FM Transmit Distance: about 5m