IDOLPRO UHF-308 Professional Dual Wireless Microphones Karaoke System with Free Interference

UHF-308 wireless microphone system is solid structure, reliable performance, easy to set up and operate. It has very good audio clarity and long distance operation which can be used for DJ,church, karaoke bar, live concert and at home karaoke party.
Hassle-free and reliable wireless sound transmission with 2 sets of dual wireless microphones with one receiver, Vibration mode: PLL Phase locked frequency synthesis, Power and mute switch.
Frequency: 900 MHz range. Open environment effective distance can reach 210ft - 250ft line of sight.
With 100-built in frequencies per microphone, you'll never run into any interference. The automatic frequency scanning technology scans the area to see what frequencies are not in use and selects that best one for you. The microphone is programmed to that frequency via infrared technology.
Package Includes: UHF-308 Receiver, 2x Wireless handhelds, 2x Antennas, AC/DC Adapter, AA Batteries, Manual