ELEGANT OUTLOOK, EASY OPERATION: Housing a more intuitive design with a 3.5-inch color LCD, a 2.4-inch color side LCD and 4 line keys with LED light, Fanvil X5U series allows a more user-friendly feature customization. GREATER INTEROPERABILITY AND COLLABORATION: Matched with accessories, like EHS headset via EHS Cable, WiFi via WiFi dongle and built-in Bluetooth, Fanvil X5U is designed to encourage your flexibility on work. HIGH-DEFINITION AUDIO, HIGH-EFFICIENCY WORK: Given to superb Harman speaker and wideband codec G.722 and Opus, HD audio in Fanvil X5U enables you to enjoy a crystal-clear and high-efficient group communication. POE INTEGRATED: Power adapter not included