The Plantronics Calisto P420-M has been discontinued by the manufacturer. We recommend the Plantronics Calisto 610-M.
Plantronics Calisto P420-M Functions and Features:
Compact size and full audio coverage suited for small and medium-sized work areas and ideal for team conference calls
Compact and portable for in-office or on-the-road conferencing; protective carrying case included
Ideal for users desiring an alternative hands-free solution for use with conference calls, one-to-ones, group collaboration and web conferencing
Omni-direction microphone for 360-degree room coverage
Transforms any PC into a wideband audio speakerphone
Digital Signal Processing enables enhanced audio for clearer conference calls
Convenient mute and volume control functions
Easily connects to any PC via a standard USB cable
Improves meeting productivity by reducing echo and drop-outs
Headphone jack provides option for private calls and the headset port is compatible with the top headsets from Plantronics