Item Type: Wireless MicrophoneMaterial: ABSSNR: >95dBFrequency Response: 40Hz-15KHzBandwidth: 5MHzDistortion: < 0.4% at 1KHzSensitivity: -96dBmFrequency Stability: 0.005%Modulation Mode: Pi 4 DQPSK Digital ModulationSignal Strength: 8dBmBattery: 2 x AA Batteries (Not Included)Package List1 x Wireless Microphone1 x Receiver1 x Sound Cable1 x Adapter1Anti Interference: U band anti interference wireless microphone, automatic connection wireless settings, cell phones, computers, amplifiers are compatible. 2Noise Reduction: Professional dynamic microphone core is used to restore the human voice, and the filtering cotton can filter out the noise, the output sound is clear and pleasant. 340m Range: UHF wireless microphone, ideally, the effective receiving distance of about 40m/131ft, free from wired constraints, more flexible use. 4Wide Compatibility: This handheld wireless microphone also comes with an adapter for most sound devices with 6.5mm and 3.5mm connectors, plug and play. 5Multi Use: The handheld mic is convenient and practical, easy to operate and suitable for a variety of scenarios, such as karaoke, parties, home KTV, stage performances, etc.