Yealink presents a dynamic business communication solution to executives and professionals with the new phone. The phone employs an appealing large touch screen that makes the switch between pages and applications swift, easy and convenient. United Yealink Optima HD Voice technology and wideband codec of Opus, the phone awards you the superb audio quality and crystal-clear voice communications. Moreover, the phone 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 freely according to your needs. The Yealink new phone series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration.