Features:

• 4-in-1 urban Backpack,four way to pack,you can change any time. 
• Detachable shoulder strap,
• Separate laptop compartment ,fit for 12"-15.6" laptop
• 4.0 fast charging port, Charges up to 20% faster than standard cables and transfers data at 800Mbps via USB 2.0
• Multi angle opening and closing design