Explorer EX-U608A Wireless Microphone

Frequency region: UHF 600/604 MHz Frequency response: 40Hz – 15KHz Dynamic range: Over 105db Audio output: 0.0400mv Microphone power supply: 2*1.5V AA Battery Effective range: 50M Power supply: AC 220-240V Key Features RF power transmission IR matching windows Transmission antenna Microphone input LCD Power switch Volume button Battery compartment