Main Features:
1) Compatible with all mobile phones
2) Charged from the cigarette lighter in the car
3) With mini ergonomic wireless earphone for private conversation
4) Automatic switch without noise between the wireless earpiece and
the car radio
5) Dual band transmission for your choice, strong resistance without
interference
6) Low power of transmission/radiation reduce the harm to people

Main Technical Specifications
1) Main Unit
a) Transmission frequency:
i) FM 88.7/106.5 MHz ( using car radio )
ii) FM 108 Mhz ( using wireless earphone )
b) Type of modulation: FM
c) Transmission distance in open air:
i) 4 Meters
ii) 4 Power supply: DC 9-24V, 80mA
2) Earphone
a) Reception frequency: FM 108Mhz
b) Output: 0.6mw 20Hz-20KHz
3) Continuous talking time after each charging: 2 hour