USB CHARGING PORT & HEADPHONE HOLE: This sling bag comes with a charging port, you can connect your phone to and easily charge during outdoors and travel. You can as well listen to your favorite music by connecting the headphone directly to your backpack. MULTIFUNCTIONAL SLING BAGS: It has 2 Pockets. Has enough room for all your essentials such as Mini phone, wallet, credit card, headphone, earphone etc. It is design to perfectly hold, can hold a lot of items. COMFORTABLE AND SPACIOUS SHOULDER BAG: It's perfect for business, casual, traveling, biking, and every day working. Perfectly works as sling shoulder pack, wear this sling bag over either shoulder comfortably, or across the chest to deter thieves and keep your hands free. LARGE CAPACITY: Has enough room for all your essentials such as umbrella, iPad Mini, phone, wallet, credit card, headphone, earphone etc. In addition, there is a cloth pocket inside the large zippered pocket can be holding the battery for the charging port, perfect for Daily Use. Dimension :- Volumetric. Weight (Gm) 399 Product Weight (Gm) 78 Ship Weight (Gm) 399 Length (Cm) 27 Breadth (Cm) 18 Height (Cm) 4 Features: USB CHARGING POR & HEADPHONE HOLE: This sling bag comes with a charging port, you can connect your phone to and easily charge during outdoors and travel. You can as well listen to your favorite music by connecting the headphone directly to your backpack. MULTIFUNCTIONAL SLING BAGS: It has 2 Pockets.