One to four wireless microphone

Features: 1.UHF 800 frequency points can be selected using the 2 to 6 cascades of advanced digital lock tone squelch anti-mobile phone and other radio frequency interference 3. One-touch infrared data on frequency 4. Built-in CPU control, data interface can connect video and other control devices in the control 5. novel design, the back can plug name sign for clean governments 6. The seating surface made of high strength wear-resistant anti-scratch hair paint, extremely durable