The XBLUE X16 Telephone is a conventional system designed for use with X-BLUE Phone Systems. It has an interface of DSL/Phone (RJ-11) and features 6 lines. This product is a charcoal color and includes a California Prop 65 warning about potential health hazards. Ideal for businesses looking to upgrade their office communication system with a reliable and efficient phone set that is compatible with X-BLUE Phone Systems.