Description:Perfectly suitable for internet telephony(VOIP), online meeting ,AOL，MSN, Yahoo or SkypeSmall size, the great partner of your notebookPlugs into standard 3.5mm audio jacksFrequency Range: 30-16000 HzConnector:3.5mm stereo plugSensitivity: -62 +/- 3 dBLength: 4.5 inches (12cm)Microphone filters out background noise, provide high quality voice transmissionPackage Contents:3.5MM FLEXIBLE MINI MICROPHONE