Thinium ReCHARGE for Micro-USB, White Patented retractable/foldable charging Dock. Fast charging for smartphones, portable backup batteries and more. Fits most all Android devices 13.5 mm ultra-thin design, fits in pocket, purse, briefcase, etc. No additional cables required. Charge Thru a wall outlet, USB port or connect a cable to charger Second Device with the built in USB port High density 3000Mah Lithium Ion -polymer battery. Works with over 70% of the Cases on the market. Thinnest fastest minimalist design for the easy storage, portability and on-the charging.