노래방 마이크

Multipurpose Wireless Microphone 164 ft operating range (line of sight) , widely applied to indoor and outdoor activities, such as home karaoke,conference,speech,party, Opening Ceremony, small stage performance etc. Signal stability,No delay, No radiation,Anti-howling,Anti-jamming. Rechargeable Receiver 1/4(6.35mm) Receiver Input designed for Outdoor Karaoke Speaker, PA System, Voice amplifier,audio interface etc.Plug receiver into the mic jack but not the AUX jack.If you use multiple microphones at the same time, please open the microphone battery cover to switch channels,otherwise noise or no sound may be generated (the channel number of each microphone is not consistent to avoid interference) Display and Battery The display can show the battery power， channel and signal strength .The microphone comes with 4 AA test batteries, we recommend each microphone using 2 AA Amazon alkaline batteries. The chargeable receiver is built-in 1200mAh battery for 5 hours working time and fully cha