Description This is professional dual-channel wireless handheld microphone system is suitable for large concert, band live performances, music festivals, outdoor commercial galas, KTV performance stages, and all large-scale audio amplification events that demand stable long-distance wireless audio pickup. 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. 2-in-1 configuration: one metal handheld microphone plus one portable bodypack transmitter, matched with lavalier mic. Compact lightweight bodypack transmitter, easy to clip on waist for hands-free speaking and performing. Specifications - Details Frequency Response - 40Hz-18KHz Directivity - Unidirectional Rf stability - ±10ppm Rf power - 10dBm Distortion degree - ≤0.5% Receiving distance - 200m Product channels - 100ch*2