The wireless microphone uses the latest wireless transmission technology to achieve stable and fast connection. Long-distance transmission of up to 100 feet, no delay, no interruption, no noise, anti-interference, providing greater flexibility in different scenarios. [Plug and Play]Through the 6.35/3.5mm wireless microphone jack, you can connect the receiver to speakers, jukeboxes, audio amplifiers, PA systems, mixers, megaphones and other audio devices (Note: only for audio devices with 6.35mm or 3.5mm jacks), please note that this system is not compatible with mobile phones, Bluetooth speakers, computers or tablets. With our wireless microphone and receiver, you can enjoy an ultra-long line-of-sight range of up to 100 m, allowing you to move freely and easily indoors and outdoors. It can be used in various occasions such as home karaoke, church parties, weddings, conferences, lectures, etc. [Adjustable Frequency, Rechargeable, Durable]Each karaoke microphone has 8 adjustable channels to avoid radio interference. Each wireless DJ microphone has two independent volume control buttons (VOL + and VOL -). The buttons with (CH+/-) and volume (VOL+/VOL-) are located inside the microphone tube and can be easily adjusted by removing the microphone tail. The receiver has a built-in rechargeable battery that can support up to 10 hours of use after a 4-hour charge. Colour:black Material:ABS Different batches, accessories style and color are random,, don't accept the specified color Package Contents: 1 set * wireless 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.