[USB CHARGING]: External Micro-USB 2.0 Port with set-in charging cable is convenient for your electronic device\'s use anywhere with this backpack, and this backpack do not include a battery, you need a power bank to charge it.
[HUMANIZED DESIGN]: The S-shaped shoulder straps make our body more comfortable; the nylon bands on both sides can keep the bag from deforming and prevent theft; the handle on the top is portable.
[Anti-Theft]: The hidden zipper and invisible pockets located on the back keep your laptop and other valuables safe and handy.
[Multi-Compartment]: 12.6\" x 7.0\"x 18.9\"(L*W*H). Generous main compartments with padded sleeve for 15.6-inch laptops and several functional pockets allow you to keep all of your gear secure and organized in its place.
[OUR GUARANTEE]: 1-year warranty and 30 days no-hassle refunds or returns guarantee. Just contact us if you have any question, we can provide you with a 24-hour real time customer service which all emails will be answered within 24 hours.