Description This dual-channel wireless handheld microphone system is perfect for stage singing, band performances, music festivals and outdoor commercial shows. It is also wirely used for wedding hosting, conference speeches, school singing competitions, church worship, and KTV entertainment. Features: Dual antenna receiving design delivers stable wireless signal transmission with strong anti-interference performance. Up to 100 meters reliable working distance in open spaces, allowing free movement without signal cutout. Built-in 100 adjustable UHF frequency channels, easy to switch channels to avoid frequency conflicts with other audio equipment. Durable metal handheld micrphones with full-frequency sound pickup, restore rich and clear human voice details. Specifications - Details Frequency Response - 40Hz-18KHz Directivity - Unidirectional Sensitivity - -52±3dB Impedance - 600Ω±30% Receiving distance - 100m Product channels - 100ch*2