Charge four devices at once with the Moshi ProGeo 4-Port USB Wall Charger. This compact device makes the most out of any wall outlet by charging multiple devices at the same time. Offering a maximum output of 35 W/7 A, the wall charger includes four USB Type-A ports. The ProGeo 4-Port USB Wall Charger also comes with Dynamic Power Sharing circuitry, providing intelligent fast charging. In addition, the wall charger offers over current, over voltage, over temperature and short circuit protection. To top it off, the ProGeo 4-Port charger is ideal for travel. Just slide the swappable plug on and off the power adapter. Furthermore, the ProGeo 4-Port charger has the highest energy efficiency rating from the US Department of Energy.