Yealink T46s Gb IP Phone 4.3" (YEA-SIP-T46S) - Display And Indicator: 4.3-inch 480 x 272-Pixel Color Display With Backlight, Feature Keys: 10 Line Keys With LED, Audio Features: HD Voice, HD Handset, HD Speaker, Dimension: 244mm x 213mm x 185mm x 54mm, Connectivity: Dual-Port Gigabit Ethernet, Power Over Ethernet (IEEE 802.3af) Class 3, 1 X USB Port (2.0 Compliant), 1 X RJ9 (4P4C) Handset Port, 1 X RJ9 (4P4C) Headset Port, 1 X RJ12 (6P6C) EXT Port, Wall Mountable