130nm digital signal processing chip 4-channel automatic volume control (WDRC) Hyper cardioid pickup pattern microphone Double microphones Middle-power output with low distortion Adaptive feedback cancellation Layered Noise Reduction Automatically saving volume & Mode Multiple functions with one button 3 program modes(P1 Quiet Environment Mode, P2 Noise Reduction Mode, P3 Advanced Noise Reduction Mode) Mode switch prompt tone Volume change prompt tone Low battery warning indicator Booting delay prompt tone Magnetic catch charging Booting Automatically out of the box, Power off in the box
Complaint
