Berlingtone BR-105UM Dual Wireless Dynamic Handheld Microphone Systems, 96 Adjustable Frequency Channel, with Echo, Treble, Bass with Rechargeable Receiver, for Karaoke, DJ, UP to 200Ft. Range

Professional UHF Wireless Microphone: The microphone adopts UHF frequency band (Use lawful signal bands with US FCC ID), Open Place: UHF distance200FT/75m, low delay and crystal-clear sound quality, Adjustable 48 Frequency Channel each channel, if you use multiple microphones at the same time or noise, Click the switch at the end of the microphone to adjust the channel. (Each microphone channel number is inconsistent to avoid interference). Wireless microphone system with echo/treble/bass, the wireless karaoke microphone set has echo, treble, bass control button, you can use different sound effects according to different songs The wireless mics have 48 channels, For karaoke, speech, meeting, conference, indoor, outdoor. Professional UHF Wireless Karaoke Microphone System The microphones adopt fcc certified UHF frequency band, which provide the long transmission distance (Open Place: UHF distance 200ft, Frequency Response 30Hz-18kHz, Signal stability, No delay, No radiation, Anti-howling, Anti-jamming, Constant frequency portable and professional dual dynamic microphone, plug and play, no extra setting. You can adjust echo, treble, bass, volume or switch channels on the handheld microphone at will, portable and convenient, eliminating the trouble of carrying the receiving system. comes with dual handheld wireless karaoke microphone, widely applied to conference, speech, web podcast, yoga instructor, church, get together, family party, opening ceremony, dancing instructor, promotion etc. Advanced connection and after sales, if your microphone has no sound, make sure you have enough power for the microphone and receiver. insert the mic jack, not an aux/line in jack. Berlingtone offers 1 year warranty and free replacement service. Can write to us when you have any questions.