Specifications:
Bluetooth Version:V3.0+EDR Class 2
Sensitivity:-42dB +/- 3dB 360round
Working Voltage:5V +/-0.5
Working Current:45mA MAX
Standby current:25mA MAX
Color:Green,Blue
FM transmission frequency of 87.5-89.0-90.5-101.0-101.0-101.0
Frequency Response:20Hz-15khz
Frequency:2.402-2.480GHZ
Effection distance:5M
Srnditivity:-92dBm
Rf Output:4dBm

Charger:
Input:12-24V
Output:5V+/-0.25
Output current:1000mA MAX
Short circuit protection current:2.4-3A

Package Include:
1 X Wireless In-Car Bluetooth FM Transmitter
1 X User Manual