The Fanvil X4U Gigabit SIP Enterprise Desktop Phone with Dual-Color LCD Display is a high-quality corded telephone suitable for business use. With 12 phone lines and a sleek black design, this phone offers wireless and Bluetooth capabilities for added convenience. Its interface includes both DSL/Phone (RJ-11) and Ethernet (RJ-45) options, making it versatile for various networking setups. Built by the reputable brand Fanvil, this desktop phone is designed for enterprise networking and IP PBX systems.