Sling backpacks are epic ergonomic carry accessories. Unlike some styles of bags, sling backpacks work with the way your shoulders are designed.
Made from very durable material this sling backpack comes with built in USB charger outside and built in charging cable inside, this smart sling backpack offers you a more convenient way to charge your phone while walking or on the move.*
The smart carry design means this sling backpack will handle everything you throw or put in it with ease and keep your possessions safe with incorporated lock.
*Please note that this backpack doesn't power itself, usb charging port only offers an easy access to charge.