Quickly charge two USB power tablets, a tablet and smartphone, two smartphones - any two USB powered devices - with the Kensington AbsolutePower 4.2 Dual Fast Charge. The PowerWhiz technology automatically recognizes your device and provides the fastest safe charge whether it's a tablet needing 2.1 Amps or a smartphone needing just 1.0 Amp. The AbsolutePower 4.2 Dual Fast Charge is completely compatible with smartphones including the iPhone, Samsung Galaxy, Blackberry and many more from HTC, LG and Motorola. Don't spend more time charging your tablet or smartphone than necessary - you've got better things to do! With the Kensington AbsolutePower 2.1 Fast Charge for Tablets you'll get a fast charge for two devices, so you can get back to surfing the web, typing emails, checking Facebook - and oh yeah, maybe even working. The Kensington AbsolutePower 4.2 Fast Charge for Tablets is compact and features blades that slide out to easily stow in your travel bag. Just plug in the USB cable that came with your device, and get ready for a fast charge for your tablet, smartphone, MP3 player or other USB powered device.