1、NOISE REDUCTION: ENC noise cancelling technology that optimizes sample rate conversion, equalization, dynamic range control and acoustic sound cancellation and sound signal processing for speech environments. 2、ERGONOMIC DESIGN: Firm and durable, the boom can be rotated 180°, and the microphone rod can be rotated 300°, making the voice output smoother and the call clearer. 3、SOFT EAR PADS: The ear pads of the customer service headset can be automatically adjusted to fit the ears, with no burden and more comfort. 4、VOLUME CONTROL: The USB headset can mute control, support one key mute, and volume adjustment. Remove background noise. 5、PREMIUM STEEL HEADLINES: Retractable and adjustable, adapt to the size of the head, free to retract without rowing, reduce oppression, easy to adjust. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.