With built in USB charger outside and built in charging cable inside, this usb backpack offers you a more convenient way to charge your phone while walking.
Headphone Jack: you can listen to your favorite music on the go hands-free.
Made of Water Resistant and Durable Polyester Fabric with metal zippers. Ensure a secure & long-lasting usage everyday & weekend. Serve you well as professional office work bag, slim USB charging bagpack, perfects for business traveling, weekend getaways, shopping & outdoor activities in daily life. Good Gift for college.