Tired of tripping on microphone cables? Do you run out of cable crossing the stage during a performance? End these annoyances with the Karaoke USA Dual 900 MHz UHF Handheld Wireless Microphones. They are lightweight and feature a usable range up to 150 ft. And there's no need to worry about frequencies when you add multiple wireless microphones to your equipment. Each microphone allows for unique pairing to each receiver. Connect up to 20 microphones on unique frequencies! No more wireless microphones walking on each other! Enjoy a clear interference-free UHF (Ultra High Frequency) transmission with multiple microphones! These are ideal for karaoke, bands, orchestras, and theatrical stage performances.