Rated operating voltage: DC12V-24V
Working Voltage limits: 9-26V
USB Output: 5V/2.1A
Working Temp: 0-50
Support Play format: MP3
BT Version: Version 3.0+EDR
Bluetooth sound processing: A2DP(Advance Audio Distribution Profile)
Bluetooth transmission distance: 10M
Bluetooth microphone effective range: 0.5-2M
FM transmission frequency: 87.5-108Mhz