Fangrui Product Details Clear Sound - 360 Omnidirectional Sound Reception, High-sensitivity Digital Silicon Microphone Restoration Hd Sound Reception. Monitoring Function - Real-time Monitoring And Accurate Expression, More Accurate During Recording, Which Improves The Effect. Audio Function - 2.4g Transmission Frequency, Low Latency, Full Expansion Of Audio Channels And Stable Transmission. Wireless Transmission - 30m Wireless Transmission For Freer Recording, High-performance Wireless Microphone Technology, Stable Signal, Up To 30m Wireless Receiving Distance. Reverb Function - Built-in Reverb Effect, Say Goodbye To The Era Of Dry Singing. The Microphone Has Built-in Reverb Effect. The Reverb + Reverb Button To Adjust The Reverb Depth. High-quality Chip - The Sound Quality Is Clearer. Built-in Noise Reduction Chip, Anti-interference And Effective Recognition Of The Original-sound. Plug And Play - Automatic Pairing, Constraints, No Need For Tedious Operations, Plug In The Receiver To Automatically Connect. And Simple -