Karaoke Wireless Rechargeable Microphone System: Updated UHF microphone supports up to 30m transmission distance without distortion or sound loss. Other features such as stable signal, no delay, no radiation, anti-howling, anti-interference, distortion Less than 0.1 percent and adjustable frequency. Plug and Play: The wireless microphone and receiver are automatically paired once powered on. Wide Compatibility: Can accommodate more devices such as amplifiers, PA systems, karaoke machines and active speakers, etc., suitable for meetings, speeches, web podcasts, recording, outdoor recording, yoga instructors, churches, family gatherings, opening ceremonies, dance instructors, promotions, games, etc. Colour:Black Material:ABS Package Contents: 1set x Wired Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.