42-AC-4 is a compact USB AC/DC power adapter designed for charging mobile devices including iPad, iPhone, iPod, and Android smartphones. It delivers 5V output at 2.1A, providing sufficient power for tablets and smartphones. The adapter features a convenient USB-based design that allows charging at home, on the road, or whenever the device is not connected to a computer. The white housing offers a clean aesthetic that complements Apple devices. This versatile adapter is compatible with all iPhone and Android models, making it a practical charging solution for multiple device types.