The StarTech.com 4-Port USB Wall Charger, part number USB4PACWH, is a universal travel adapter designed for IT professionals and business travelers requiring simultaneous charging of multiple mobile devices. This unit provides 34W/6.8A shared power output across four USB ports, enabling the charging of two tablets and two phones concurrently. Featuring Smart IC technology, it identifies connected devices to deliver optimal charge, supporting USB Battery Charging Specification 1.2 for broad compatibility with devices such as Apple iPhone/iPad, Microsoft Surface, Samsung Galaxy Tab, and Nexus phones. The charger includes a universal power adapter for international use and a folding North American plug for portability. It also incorporates built-in safety measures to protect against overheating, overvoltage, overcurrent, and short circuiting, making it suitable for both travel and fixed desk use in office environments.