The Leviton 4-Port USB Charger offers 4. 2 amps of charging power, providing the ability to charge up to four electronic devices simultaneously, including multiple tablets. The USB Ports are Type A, 2. 0 and are controlled by a microprocessor and smart chip which recognizes and optimizes the charging power of your device. This means you can spend less time charging your devices and more time enjoying them. The Leviton 4-Port USB Charger is ideal for charging tablets, smart and mobile phones, e-readers and much more. Strategically designed with four vertical USB ports, the Leviton 4-Port USB Charger allows additional space for maneuvering of charging cords, reduces stress on the cables while charging and offers an aesthetically appealing design. The device is engineered to fit in a standard wall box, use a standard wallplate and can be multi-ganged with any standard wiring device. The Leviton 4-Port USB Charger is compatible with a wide range of electronic devices including, but not limited to, the following: iPad, iPhone, iPod, Samsung devices, Kindle devices, tablets, mobile phones, Blackberry, Android phones, Nintendo 3DS, PlayStation Vita, Bluetooth headsets, digital cameras, Nook e-reader, GPS and many more.