STABLE SIGNAL & CLEAR SOUND: The wireless lapel microphone system has adopting the international 2.4Ghz Wireless transmission, continuous frequency matching, The distance range is within 50ft in an open field without degradation of the audio response, it can work compatible with smart phones/PCs/Laptops/voice amplifiers/cameras/ multimedia/ and more.It is a portable Karaoke Equipment EASYCHARGING & PROTABILITY: The wireless transmitter & receiver can be charged simultaneously. Has a working time of more than 6 hours on a full charge. Mini metal clip allows you to easily clip it to your collar, tie or pocket. We have used state of the art lightweight materials to ensure you barely even notice the microphone is there. HIGH TECH :2.4Ghz Wireless lapel mic connects automatically when powered on. With low radiation, low interference, high signal stability, fast transmission, short audio delay (0.02 seconds). At the same time, this frequency of the wireless microphone provides confidentiality, anti-interference ability and loud, clear, high fidelity sound BACKLIT LCD SCREEN, Wireless Lavalier Lapel Microphone System with a backlit LCD screen on the transmitter to show the current status. Please turn on the transmitter and receiver power switches, the blue light will flash for approximately 2 seconds, once the indicator light stops flashing after a successful match, you can use.Built-in rechargeable Li-ion battery can be charged via USB.With a full charge, a working time of more than 6 hours is possible. UNIVERSER RECEUVE PLUG, receiver design with a 3.5mm (1/8") plug，Which can be used for the smart phone ,PC,Tablet . We also include a free 6.35mm (1/4") connection plug adapter,Which can be used for the Louder Speaker, PA system , Karaoke. We also include an iPad and mobile phone plug, which can be applied to Android phones, iPhone, iPad, computers, outdoor audio and more. for speaking,video production,Houses of Worship in a church preaching, YouTube videos, and classroom and presentation.