Customer Service Headset Noise Reduction Ergonomic Clear Call Volume Control USB Headset with

Feature: 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 degrees , and the microphone rod can be rotated 300 degrees , 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. Specification: Item Type: Customer Service Headset Material: ABS Ambient Temperature: -10 celsius -+40 celsius Relative Humidity: 10percent -90percent Atmospheric Pressure: 86-106Kpa Environmental Noise: less than 60dB(A) Sensitivity: -40+-3dB (0dB=1VPa, at 1KHz) Impedance: 2.2K Ohms Distortion: less than 5percent Sensitivity: 100+-3dB. Package List: 1 x Customer Service Headset1 x Manual