Palm Pearl Universal 4000 Mah Power Bank with Built-in Connectors for iPhone, iPad, Samsung Galaxy, Blackberry and other mobile devices Palm sized, lightweight, packed with 4000 mAh power for your iPhone, Micro USB and Mini USB device Charge iPhone 3,4, 4s, 5, 5s, Android, iPad, iPad Mini, iPod and Kindle devices with built-in power cords Size is compact and fits easily in purse or brief case Easy to keep powered up - plugs into any usb port Convenient indicator lights tell you how much "juice" is left for your devices