Mondpalast Dual Docking Station charger + 2x 2800mAh battery for Samsung Galaxy S4 i9500 GT-i9500 i9505 GT-i9505 1 x Dock Charger for Samsung Galaxy S4 i9500 GT-i9500 i9505 GT-i9505 1 x USB cable 2 x Galaxy S4 i9500 i9505 2800mAh Batteries Able to charge your phone and battery at the same time Sync between your smartphone and PC / Laptop