Description This USB headset has a high-definition audio sound that brings you a pleasant leisure time. The comfortable and lightweight design can be worn all day. It feels comfortable and non-intrusive even though many hours talking. You also can use it to play games, listen to music, etc., which is multi-functional and practical. Features - Color:Black. - Material:ABS+PU.- Size:16.00X15.00X50.00 cm/6.29X5.89X19.65 inch.- Plug Model: USB.- Impedance: 32.- Horn Frequency Response: 20Hz-20KHz.- Horn Sensitivity: 115dB.- Rated Output Power: 41MW.- Large Output Power: 84MW.- Voice Level: -78dBA.- Dynamic Range: 78 dBA.- Distortion Rate THD: 0.1%.- Stereo Crosstalk: -52 dBA.- Microphone Sensitivity: -52dB.- Microphone Impedance: 2.2K.- Microphone Frequency Response: 50Hz-15KHz. - The wired headset has clear audio sound with noise canceling that enables a natural listening experience.- Reduces unwanted background noise for clear conversation, brings you an amazing audio experience.- Headphones with adjustable headband to fit all head sizes, and leatherette ear cushion all-day wearing comfort.- Superior quality microphone makes this USB jack phone headset more durable.- Built-in professional volume control button, you can quickly adjust the headset volume up/down, mute/un-mute the microphone. Packing list: 1 x Headphone