Intuitive call controls; answer/end, mute, volumeFull duplex, wideband audio with 360 degree room coverageConnects to mobile phone and to PC with USB adapterSelect an ItemPlantronics Calisto 620 USB Bluetooth Speakerphone Systemhttp://s7d5.scene7.com/is/image/Staples/s0497274_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0497274_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0497274/Plantronics-Calisto-620-USB-Bluetooth-Speakerphone-System/product_SS1078500Plantronics Calisto 620 USB Bluetooth Speakerphone System0.00Intuitive call controls; answer/end, mute, volumeFull duplex, wideband audio with 360 degree room coverageConnects to mobile phone and to PC with USB adapterEachCalisto P620 USBPlantronics Calisto P620 USB Wireless Speakerphone Systemhttp://s7d5.scene7.com/is/image/Staples/s0497274_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0497274_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0497274/Plantronics-Calisto-P620-USB-Wireless-Speakerphone-System/product_761520Plantronics Calisto P620 USB Wireless Speakerphone System0.00Intuitive call controls; answer/end, mute, volumeFull duplex, wideband audio with 360 degree room coverageConnects to mobile phone and to PC with USB adapterEachCalisto P620-M USBPlantronics Calisto P620-M USB Wireless Speakerphone Systemhttp://s7d5.scene7.com/is/image/Staples/s0497274_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0497274_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0497274/Plantronics-Calisto-P620-M-USB-Wireless-Speakerphone-System/product_761521Plantronics Calisto P620-M USB Wireless Speakerphone System0.00