Yealink T53 Prime Business Phone To Deliver Optimum Desktop Productivity- 12 Sip Accounts 3.7" 360X160 Pixel Graphical Lcd With Backlight, Adjustable Lcd Screen Bluetooth Via Bt40 Wi-Fi Via Wf40/Wf50 Usb 2.0 Port For Usb Recording, Wired/Wireless Usb Headsets And Exp50 Up To 12 Voip Accounts Dual-Port Gigabit Ethernet Poe Support Hac Handset Paperless Label Design Wall Mountable