Fangrui Product Details Users Can Monitor And Grasp The Recorded Sound At Any Time, With Changes In Volume, Sound Quality, And Tone Under Control. This Ensures Precise Control And Excellent Sound Quality During The Recording Process, Ensuring That Every Recording Reaches A Professional Level. The Reverberation Function Adds Depth To The Recorded Sound, Making It Sound Fuller And More Natural , Making It Easier For The Listener To Immerse Themselves In The Speech Or The Music. The Volume Level Can Be Easily Adjusted By Pressing The Button On The Receiver. The Three Volume Settings Allow You To Quickly Adapt To Different Environments, Ensuring Optimal, Balanced And Undistorted Sound Performance. The Monitor Function Allows You To Listen To The Recorded Sound In Real Time And Adjust The Volume Level In Time To That The Audio Volume Is The Same. Presenting The Audio Experience. Magnetic Button Wireless Microphone, It Can Be Conveniently Attached To Clothing Or Hats, Providing Users With A More Stable And Accurat