Item Type: Headset <br>Frequency Range: 100-5600Hz <br>Sensitivity: <110dB <br>Signal to Noise Ratio:> 58dB <br>Ambient Temperature: -10℃ to 40 ℃ <br>Relative Temperature: 10% -90%1、In ear-hook type, headset is easy to use and comfortable to wear, which is practical. <br>2、Plug and play, USB headphone supports one-key mute, which also supports volume adjustment. <br>3、And this notebook headset is suitable for Skype / QQ / MSN and other online language chat software. <br>4、Meanwhile, ear-hook headset is suitable for online game headsets used by gamers. <br>5、Suitable for desktop computers, notebooks, this kind of headphone is entitled with high performance according to strict rule.1 x Headset 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.