Product name:Wireless Microphone Adapter Product size about : 24*13*5cm/9.44*5.11*1.96in Product color: As shown in the figure Product material:PU Band limit:550.25-573.75MHz Receiving sensitivity:-88dB Channel:20CH Total harmonic distortion:0.2% Dynamic range:110dB output power:10mW Frequency response:20Hz-20KHz(3dB) transmission distance:30-50m product features: 1. Compact wireless transmission system, built-in lithium battery, plug and play, easy to operate. 2.2.4G non-compressed wireless signal transmission, low noise and delay, the effective range of the wireless guitar system is about 30 meters. 3. Not only suitable for XLR microphones, but also for guitar audio reception. 4. Built-in rechargeable lithium battery, long working time, and equipped with a USB cable for easy charging. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 set Wireless Microphone Adapter