The Gemini GMU - M200 is an excellent UHF wireless microphone system. It comes with 2 MT10 handheld wireless microphones and an R10 wireless receiver, along with 2 rechargeable 18650 batteries and a USB charging cable. Key features include two cardioid pattern dynamic wireless microphones, a UHF high - band single - channel receiver with selectable frequencies (512 - 541.7MHz in the US), an ultra - fast microcomputer - controlled PLL oscillation circuit, an advanced compression circuit to reject noise, hassle - free automatic transmitter setup, two handheld microphone transmitters with full - range volume control and an LED screen showing channel/frequency and battery power, a receiver with a 1/4' Jack for connection to amplifiers, pedals, mixers, etc., and USB charging for both the receiver and microphones.

Using your Gemini GMU - M200 UHF wireless microphone system is easy. First, insert the 18650 rechargeable batteries into the handheld microphones and use the USB cable to charge them and the receiver. Then, press the SET button on the transmitter for hassle - free automatic setup. Adjust the volume on the microphones using the full - range up and down control. Connect the receiver to your amplifier, pedal, or mixer via the 1/4' Jack. When using, keep the microphones within range of the receiver. Avoid using the system in areas with strong electromagnetic interference as it may affect the signal. For maintenance, regularly clean the microphones and receiver with a soft, dry cloth. Don't expose the system to extreme temperatures or moisture. Charge the batteries as needed, but don't overcharge them.