Eyoyo 2.4G Wireless Microphone Headset Stage Wireless MIC with 3.5mm Plug Receiver Black 2.4G Wireless Technology:low radiation; low interference; auto connection; stable and clear. Universal receiver plug: receiver is designed with 3.5mm plug. We give you free 6.35mm connection plug. Can be used on speaker systems, computers, megaphones, SLR camera, TVs and Buses.It is the best choice for teaching, conference and speech purposes etc.. Plug and play, convenient to use: no complex set up, just plug receiver into MIC jack of your device and turn on transmitter and receiver and wait 2 seconds, transmitter and receiver will connect automatically. Headset and handhold 2 in 1: remove the head bracket, hold the transmitter in hand, it will become a handhold microphone. Light weight design, comfortable for wearing. High sensitivity, no direction limitation