The MagicJack PLUS 2014 VoIP Phone Adapter is a black unit that allows for free local and long-distance calling using the magicJack brand subscription. It can be used with or without a computer and has a single phone line. The adapter connects via USB or DSL/Phone (RJ-11) interfaces, making it easy to set up and use in a home networking and connectivity setup. With its unique features and user-friendly design, this VoIP phone adapter is a convenient and cost-effective option for staying connected at home.