Suitable for internet telephony VOIP, MSN or Skype and speech recognition laptop, Laptop, Tablet PC. Great for internet phone, conference calls, video games. Flexible cable kits you position the mic to your needs. Light weight and stylish. Superb sound quality. Frequency response: 20Hz-20,000Hz Impedance: 2.2K Sensitivity: 54dB2dB Socket Model: 3.5mm standard audio plug for desktop, laptop microphone jack Applicable: Notebook, tablet, desktop (to be used with audio extension cable) colour:black Material:ABS size:6 x 5mm Package Contents: 2 x Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.