Feature:1. NOISE CANCELLING TECHNOLOGY: The customer service headset uses active noise cancellation technology to eliminate background noise and make calls clear.2. ROTATING ANGLES: The call centre headset has a boom that can be rotated 180 degrees and a microphone that can be rotated 330 degrees for smoother voice output and clearer calls.3. ADJUSTABLE DESIGN: The customer service headset can be bent inwards and outwards for precise microphone position adjustment.4. COMFORTABLE TO WEAR: The computer headset features a premium manganese steel headband that adjusts to the size of your head and can be retracted at will without scratching your hands.5. USB PORT, VOLUME CONTROL: The computer headset converts the 3.5mm connector into a USB port for use on a computer; it supports one touch mute and volume adjustment.How to Use:Plug and playSpecification:Item Type: Call Center HeadsetMaterial: ABSAmbient Temperature: -10°C~+40°CRelative Humidity: 10%~90%Atmospheric Pressure: 86~106KpaAmbient Noise: ≤60dB(A)Sensitivity: -40±3dB(0dB=1V Pa, at1KHz)Impedance: 2.2K OhmsDistortion: ≤5%Sensitivity: 100±3dB Package List:1 x Call Center Headset1 x U600 Adapter Cable