The Yealink T5 Business Phone Series is designed with Yealink Acoustic Shield technology to deliver distraction-free voice clarity for remote participants by utilizing multiple microphones to create a virtual shield. Aligning with a fully adjustable display, the T5 Business Phone Series can easily fulfill the viewing needs at a variety of angles and under a variety of lighting conditions and finally provides optimized user experience. The Yealink New T5 Business Phone Series supports DECT handset compatibility via a DECT dongle Yealink DD10K, up to 4 cordless handsets. Seamless switching of calls between the desktop phone and the cordless DECT handset. Built-in Bluetooth 4.2 for wireless headsets connection and enhanced mobility. Wi-Fi 2.4G/5G to help business maximize the use of wireless network, reduce internet cable cost and support clean and uncluttered workspace communications.