The U3T 2.4 GHz Digital Wireless Transmitter from Xvive Audio is a plug-on transmitter designed to work with dynamic and battery-powered condenser microphones. It can be used when paired with a U3R Receiver and microphone (sold separately) to capture audio for video, live stage, theater, rehearsal, and recording applications. The U3T plug-on transmitter is built with a gain adjustment switch that allows it to accommodate mic or line level signals. The balanced 3-pin XLR female connector plugs directly onto a handheld microphone or line level input signal. The U3T transmitter is equipped with an operating range of 90' and will run up to 5 hours on a full charge using the built-in Li-ion 3.7V rechargeable battery. It requires a U3R receiver and microphone