Featuring three color displays, newly added line keys with LED light and built-in Bluetooth, Fanvil X6U provides the direct access to instructions, aiming to offering greater flexibility, productivity, to exceed the different demands of businesses. Harman speaker and wideband codec of G.722 and Opus in this device deliver you an immersive HD audio experience in both high band and low band with the network. High-definition Audio High-efficiency Work Given to superb Harman speaker and wideband codec G.722 and Opus, HD audio in Fanvil X6U enables you to enjoy a crystal-clear and high-efficient group communication. Elegant Outlook Easy Operation Housing a more intuitive design with a 4.3-inch 480×272 color LCD, two 2.4-inch color side LCDs and 5 line keys with LED light, Fanvil X6U 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 X6U is designed to encourage your flexibility on work.