Stay connected, wherever you work, with the Plantronics Calisto Pro Series hands-free phone system. Its integrated multi-function Bluetooth headset offers professional sound for your home office as you remotely answer landline, VoIP and even mobile calls. Combined with a compact handset offering a built-in speakerphone, interference-free DECT 6.0 technology, and ability to download Outlook contact numbers, you've got powerful communication options like never before.