Tectac&reg; 30W 6 Port USB Travel Charger - Hi-Speed Multi USB Wall Charger for Apple, Android, Tablets & Smartphones of All Sizes - 100% Money Back Guarantee 4.6 OUT OF 5 STAR REVIEWS - Ive been charging three devices at a time and theres no notable decrease in the charging speed. Actually, it seems to be charging my iPad even faster than my previous single block did.  Desiree, one of the many happy users of the Tectac 6-Port USB Charger. The Tectac Multi Port USB Travel Charger has Smart Ports which adjust to how much power the device needs to charge at max speed with an input voltage range of 110-240V. This makes it the perfect Charging Station for USB Portable Charging Devices. The size of a deck of playing cards (3.9 x 2.3 x 1.1in) and unibody design for added portability. Supports 5V USB Portable Charging Devices like iPad, iPhone, Samsung tab, smartphones, external battery, bluetooth speaker, headset and so on. 100% MONEY BACK GUARANTEE - you will love the Tectac 6-Port Travel Charger, but if you're not satisfied for any reason, JUST SEND IT BACK for a full refund.