Microphones Portable Wireless Microphone,UHF Karaoke Microphone with 2 Mics Handheld,5V power supply for receiver, 280ft Range, for Singing/Voice amplifier/PA system/Karaoke/DJ/Church.

【Stable Frequency】: UHF(Ultra-High Frequency) wireless Microphone system work at 522/520MHz, fixed frequency which minimized the risk of being interfered by other electronic devices and noises. It’s much better than VHF on providing stable and consistent sound transmission.It's fixed frequency only
【Anti-RF Interference】Advanced anti-interference design, the receiver can only work if the handheld microphone is turned on and recognized. No concern about noise caused by your receiver receiving other equipment when the microphones are turned off. Suitable for using in “crowded” radio environments.
【Auto Frequency Matching】Our karaoke microphone is so easy to use, simply touching the buttons on the mic to set up frequency, then enjoy your wireless microphone system immediately.(.Working Range in wide-open area:180-280ft line of sight)
【Long Using Time】Dual handheld mics can work at the same time and be used up to 14 hours with standard new AA battery ( Not included), Receiver works with 5V power supply in Type B connector,easy to get power from your laptop, mobile phone, power bank etc. Perfect for outdoor activities or DJ PA speaker system.
【Perfect for outdoor】 5V USB Cable, 6.35mm to 6.35mm audio cable included, perfect for Karaoke systems and outdoor activities. Metal microphone head with plastic tube, unidirectional cardioid. Vocal Sound Quality is loud and clear.Mini portable metal receiver with big screen display.