Our Vhf wireless microphone system offers reliable performance with minimal interference, providing greater mobility and flexibility. Equipped with robust interference protection, it ensures clear, uninterrupted audio in any environment. The built-in feedback suppression technology guarantees clear sound output. Designed for easy portability, this lightweight and compact system is perfect for mobile events and presentations.Wireless Mic System Specification:Frequency Type : VHFFrequency Range : 210-270MHzFrequency Stability : 0.05%Modulation Deviation : 50KHzAudio Frequency Response : 40Hz-15KHzS/N Ratio : >80dBT.h.d : 0.5%(1KHz)Audio Output : 0-0.5VSystem Distortion : 1.0%Operating Range : 20-30 mOperating Temperature Range : -( -10"C)Scope of application : Concert, Ktv, school, hall, family, partyPower : 9V for mic, AC220V for receiverPackage Include:2x Handheld Wireless Mic1x Receiver1x 1/4 Inch to 1/4 Inch cord2x Battery