["A Revolutionary SIP Phone for Enhancing Productivity Designed for busy executives and professionals, the SIP-T46U IP phone is an ultimate communication tool that has the better overall performance. The phone employs an appealing high-resolution TFT color display that looks brighter and more vibrant. United Yealink Optima HD Voice technology and wideband codec of Opus, the T46U awards you the superb audio quality and crystal-clear voice communications. Furthermore, the T46U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use any two of them according to your needs. The Yealink new T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration. Yealink T46U SIP Phone | Features at a Glance User Interface Features", "4.3\" color screen with backlight audio features", "Optima HD voice with Acoustic Shield and Smart Noise Filtering Basic Features", "Up to 16 SIP accounts", "PoE support", "Stand with two adjustable angles, wall mountable advanced features", "Wi-Fi via WF40/WF50, Bluetooth via BT41", "Support expansion modules", "Support USB recording connectivity", "Dual USB ports, dual port Gigabit Ethernet", "Headset, EHS support"]