Yealink T41s IP Phone (YEA-SIP-T41S) - Display And Indicator: 2.7-inch 192x64-Pixel Graphical LCD With Backlight, Feature Keys: 6 Line Keys With LED, 5 Features Keys, Audio Features: HD Voice, HD Handset, HD Speaker, Power Over Ethernet (IEEE 802.3af) Class 2, Directory: Local Phonebook Up To 1000 Entries, Connectivity: 2 x RJ45 10/100M Ethernet Ports, 1 x USB Port (2.0 Compliant), 1 x RJ9 (4P4C) Handset Port, 1 x RJ9 (4P4C) Headset Port, 1 x RJ12 (6P6C) EHS Port, Dimension (W*D*H*T): 212mm x 189mm x 175mm x 54mm, Stand With 2 Adjustable Angles, Wall Mountable