COK

U-stage variable frequency wireless microphone 

Semi-metal with display Ultra-low power consumption 

Built-in lithium battery for the receiver Dry battery 

for 10 hours Maximum receiving distance 50 meters

Frequency: UHF700-900 MHz

Modulation system: FM

Use distance: 50-80M

Frequency response: 40Hz-15KHz

SNR: -98db

Frequency stability: Dynamic range : >100dB

Power supply: DV5V/80mA

Audio output: 0-200 MV