The MagicJack A921 USB Phone Jack is a silver-colored, USB-based phone jack that allows for one phone line. It features wireless capabilities, speakerphone functionality, and the ability to receive power over Ethernet (PoE). Manufactured in 2008 by the brand magic-jack, this model is compatible with USB, DSL/Phone (RJ-11), and USB-C interfaces. Made in China, this VOIP home phone is a convenient and versatile option for those looking to connect their phone lines to their computer for easy use.