USB Charging Backpack Bag Multi-functional (Amazon): http://amzn.to/2CwXwEO <br /> <br />It is made of polyester fibre which is a high strength wear-resistant fabric, so the backpack is antistatic, easy to clean and not deformed. Exquisite workmanship makes the bag attractive. It will give you a feeling of comfort and freedom. Having a USB cable is the other advantage of it. In a word, it is your best choice. <br /> <br />Features: <br />Choose the comfortable fabrics. <br />The bag body side has a charging socket where can charge at any time. <br />Bags on the back is equipped with convenient pockets can be inserted into the pull rod, easy to carry. <br />The interior of the bag is clear, you can easily categorize items. <br />The length of shoulder straps is adjustable. <br /> <br />Specifications: <br />Item weight: 730g / 1.6lb <br />Package weight: 760g / 1.67lb <br />Item size: 43 * 26 * 10cm / 16.9 * 10.2 * 3.93in <br />Package size: 47 * 33 * 8cm / 18.50 * 12.99 * 3.15in <br /> <br />Notice: The bag has a built-in charging cable, simply connect the mobile charger to the cable, and the USB connection can be charged.(No power supply.)
