Description: brand new and high quality Feature: Precision design and high quality ABS make this call center headset very durable and reliable. It will last a very long for time. Noise reduction microphone design, effectively filter the background noise, let you have the clear conversation chatting. Volume control switch on the cable, easy for you to adjust the volume according to your needs. Advanced sponge foam, breathable and dehumidify, brings you clear voice. Adjustable headset and mic position, suitable for people of different groups. Support USB V3.0, also for USB V2.0 interface. Support for Windows XP/Vista/7/8/10/for An-droid systems. Plug and for play, no other drivers needed. Free your hands, suitable for multiple occasions, such as business conference. Specifications: Item Type: USB Headset Material: ABS Size: 17.5x16x5.6cm/6.8x6.2x2.2in Color: Black Headset: Impedance: 32 Sensitivity: 105dB Plug type: USB Frequency response: 20Hz-20KHz Microphone: Impedance: less than and equal to 2.2K Sensitivity: -52dB Directivity: unidirectional Frequency response: 50Hz-15000Hz Quantity: 1 PC Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x USB Headset