• Product ID:BG2051015
• Closure Type:Zipper
• Function: Waterprood, Breathable, Wearable
• External USB charging port with protective cover and built-in charging cable. This smart backpack is very suitable for you to charge your phone while walking(The cable is non-removable, power bank is not included)
• The backpack could be applied into business, too.
• High quality makes it durable.