Connects The World for VoIP and teleconferencing applicationsThe CBL410 PCC is a microphone for use with any PC or laptop. It improves audio quality when conferencing via VoIP. The microphone reproduces the voice with a clear and natural sound. With its 3.5mm stereo jack it is a real plug-and-play device. No drivers are needed. Its cascading capability makes the CBL410 PCC the perfect tool for single-person usage in the office and/or for multiperson usage in a meeting room. This microphone provides optimum intelligibility and audio quality for your meetings. Cascadable For multi-person use Plug and Play 3.5mm jack connector no software drivers needed Universal power concept Works with power from PCs mic input FeaturesTypeDesktop Frequency range20 - 20000 HzSensitivity-48 dBDimensions W x D x H114 x 114 x 114 mm