SLING WITH USB CHARGING PORT:Built-in USB charging cable, more convenient to carry, and you don't need to worry about lower battery for your phone. Charge to your phone anytime and anywhere. DURABLE AND WATERPROOF SHOULDER BAG: BANGE shoulder bag is made of high quality water resistant Oxford cloth. It is durable and anti-scratch. It's your best partner in your casual use. LIGHTWEIGHT AND COMFORTABLE SLING BACKPACK:Very light weight to carry. Shoulder strap and back are made of breathable mesh padded that can provide you all day comfort. CHEST BAG WITH Multi STORAGE POCKETS:Front side pocket is convenient for various small items. Large compartment with inner small pockets is great for 9.7inch ipad、camera、power bank、water bottle、Notebook、pens. Exclusive card pocket on the shoulder strap make this chest bag thoughtful. Closure: Zipper Material Composition: oxford This sling backpack is at home on and off the trail. With one USB charging port, you can charge your mobile phone when you are on the trip, it's very convenient. One card pocket is on the shoulder strap.The main compartment provides multi pocket storage for all of your valuable things while sports, outdoor, like the 9.7' Pad, iphone, earphone, charger cable, power bank, water bottle etc.Adjustable shoulder strap and breatheable mesh back makes it comfortable across your back and chest. Best gift for your father, brother, boyfriend, husband and all mens.