Charge up to 5 devices at the same time- 5 ports designed to charge iPad (2 x 2.1A), iPhone (1A), Samsung Tab (1.3A), and Android devices (1A). Overcharge protection Charges safely, without risk of overheating or damaging devices. Perfect for International Travel- AC 110-220V input voltage. Rapid Charger- Charge your power hungry devices at full speed with 25 watts and 5A total output. Charge almost any USB device- You can charge more than just your smartphone or table with this handy, multi-port adapter. It will also power up your e-reader, Bluetooth headphones, portable speakers and nearly any other device that charges with a USB cord.