** Battery boost & mobile backup** Kingstons Mobile Lite Wireless G3 charges smartphones & tablets faster, with a 2A output charging maximum & charges phones up to 2x from a single, fully charged MLWG31. It features a 5, 400 m Ah battery & lets you wirelessly access the contents of a USB (Universal Serial Bus) drive or SD card 2. Mobile Lite Wireless Pro adds 64 GB of built-in storage, extendable via USB (Universal Serial Bus) drives & SD cards, & up to 2.5x charge via its 6, 700 m Ah battery. Both drives have Japanese battery cells that make the battery more reliable & longer lasting than their competitors. Access USB (Universal Serial Bus) Flash drives & SD cards wirelessly from smartphones & tablets to free up space, make backup copies of important photos, videos, contact & calendar entries & transfer files to a new phone or tablet without using a PC. Save by not paying monthly fees for cloud-based backup services. MLWG3 & MLW Pro have an SD card slot & a USB (Universal Serial Bus) port & come with a micro SD to SD card adapter. MLWG3 & MLW Pro work with Android, Amazon & i OS devices.