Wireless Freedom - The wireless microphone adopts the latest 2.4G Hz frequency connection technology, which upgrades the connection range to 200 feet (60 meters), ensuring a stable and fast connection without worrying about delays and interruptions. This karaoke wireless microphone is perfect for free movement during performances, suitable for indoor and outdoor activities. Two-step pairing - Is it necessary to set the frequency? The karaoke microphone has an automatic pairing system, as long as you turn on and plug the receiver into the 6.35mm or 3.5mm microphone jack on the speaker or PA system. Then turn on the microphone and they should be able to connect by themselves. Easy installation!All-day singing - The singing microphone adopts 1200 mAh rechargeable battery, both the microphone and the receiver can last for more than 40 hours! No need to buy batteries again and again, charge with USB-C cable, and it can be fully charged in less than 3 hours!Clear sound pickup - This singing microphone has built-in professional dynamic microphone core, 2.4G Hz audio transmission and DSP noise reduction technology, bringing unparalleled performance and high signal-to-noise ratio, providing clear, noise-free, distortion-free, clear vocals and excellent sound reproduction.Compatibility and applicable scenarios - The karaoke microphone wireless receiver is suitable for all input devices with 6.35 mm (1/4 inch) or 3.5 mm (1/8 inch) microphone connector. Compatible with party speakers, singing machines, amplifiers, PA systems, audio interfaces and more devices with microphone input. Suitable for various indoor and outdoor activities, such as singing, speech, performance, etc.