W-100,W-120

 Comprehensive Performance:
Frequency: 500-890Mhz
Frequency response: 40Hz-15KHz+-3dB
Dynamic range: >90dB
SNR: >80 dB
THD:<1%
Modulation type: FM
Distance:>20M
Microphone:
Power supply: 1pcs of 3.7V 18650 lithium battery
Charging: DC 5V
Pick-up: Dynamic
Direction: Cardioid
Receiver:
Power supply: 1pcs of 3.7V 18650 lithium battery         Charging: DC 5V