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Large Capacity & Multi-pocket: Duo-bag,one has 2 pockets for laptop(under 17 inch) and pad(15.5 inch), inner shockproof belt for fastening your laptop and Pad, preventing them from sliding and bumping. One has 2 elastic mesh pockets and open pocket for daily stuffs. Hold your belongs organized and easier to find.
USB Hub: Removable USB charging line, connect power bank and electronic devices while walking. Please note that this backpack doesn't power itself, USB charging port only offers an easy access to charge. When clean backpack, remove the USB charging line.