Kingston’s MobileLite Wireless G3 Pro charges smartphones and tablets faster, with a 2A output charging maximum, and charges phones up to 2.5x from a single, fully charged MLWG3 (Based on internal testing of iPhone 6 using a fully charged MLWG3/64. Actual results may vary. Battery life varies depending upon the usage and user application functions. Battery is not replaceable). It features a 6,700 mAh battery and lets you wirelessly access the contents of a USB drive or SD card (Storage not included. User must provide compatible storage device). MobileLite Wireless Pro adds 64GB of built-in storage, (Some of the listed capacity on a Flash storage device is used for formatting and other functions and thus is not available for data storage. As such, the actual available capacity for data storage is less than what is listed on the products.) extendable via USB drives and SD cards, and up to 2.5x charge via its 6,700 mAh battery. Containing premium Japanese battery cells that make the battery more reliable and longer lasting than competitors’. Access USB Flash drives and SD cards wirelessly from smartphones and tablets to free up space, make backup copies of important photos, videos, contact and calendar entries and transfer files to a new phone or tablet without using a PC. Save by not paying monthly fees for cloud-based backup services. MLW Pro contains an SD card slot and a USB port, also includes a microSD to SD card adapter. MLW Pro is compatible with Android, Amazon and iOS devices.