Check the listing for details. Yealink SIP-T53 (5 Pack). Color: Black, Condition: New. Listed at 556.25 USD. 5 Pack Description Especially designed for busy executives and professionals, Yealink SIP-T53 is an easy-to-use Prime Business Phone with an adjustable 3.7-inch graphical LCD that you can easily and flexibly find the comfortable viewing angle according to the personal and environmental needs. Working with Yealink Bluetooth USB Dongle BT40 and Yealink Wi-Fi USB Dongle WF40/WF50, the SIP-T53 IP Phone ensures you to keep up with the modern wireless technology and take the first chance in the future wireless age. Its built-in USB 2.0 port allows for USB recording or a direct wired/wireless USB headset or up to three Yealink EXP50 expansion modules connection. Benefitting from these features, the Yealink SIP-T53 is a powerful and expandable office phone that delivers optimum desktop efficient and productivity. 3.7" 360x160-pixel graphical LCD with backlightAdjustable LCD screenDual-port Gigabit EthernetUp to 12 VoIP accountsHAC HandsetWi-Fi via WF40/WF50USB 2.0 port for USB recording, wired/wireless USB headsets and EXP50 Text Example We are an authorized Yealink reseller. Products purchased will have an authentic Yealink replacement warranty. We do bulk sales and custom quotes for corporate and our reseller partners, please inquire if you have these needs.