GO 6470 Headset & 2.4” Touch Screen w/Base, Charging Cradle, Bluetooth Class 1, 300' Wireless Range, Dual MP Noise Blackout Technology, Desk Phone, Mobile & Soft Phone Support. Microsoft OC/Lync Cert

PRO 9470 Headset and 2.4-inch Touch Screen w Base Unit US DECT 1.9 Ghz 450 Foot Wireless Range Dual Microphone Noise Blackout Technology Desk Phone Mobile and amp Soft Phone Support. Microsoft OC Lync

PRO 9465 Duo Wireless Headset, 2.4” Touch Screen Display w/Base Unit, US DECT 1.9Ghz, 450 Ft Wireless Range, Extended Noise Canceling Microphone w/Extended Boom, Phone Support. Microsoft OC/Lync Cert