KM-U208B Wireless Transceiver System.

1-UHF wireless Transmission.

2-Wireless distance 65-165FT The distance is up to 65 feet when not connect antenna,and it can reach up to 165feet after antenna is connected.

3-16 Optional channels.Digital wireless audio transmission.

4-2 hours to fully charge.Use time 5-6H.

5-Delay<5ms

6-Mini wireless microphone system for dynamic and condenser mics.

7-Support+48V phantom power.