Shoulder Bag with USB Port - PetersonMaterial and Construction | This backpack is designed with everyday use in mind. Strong polyester fiber additionally coated with polyurethane is ideal for everyday tasks. Not only is this material exceptionally durable, it's also easy to clean, has increased wrinkle resistance, and is also waterproof;Classic and Roomy | This model holds all the things you always need to have close at hand, like a phone, wallet, small tablet, keys, glasses, and other useful items;USB Port | Inside the backpack, there's a USB port, through which you can connect, for example, to a power bank;Carrying Comfort | This model features an adjustable strap. Adjusting the length takes just a few seconds.Comfort and ErgonomicsThanks to its ergonomic design, the PETERSON bag is ideal for carrying on one shoulder or across the body. There are two strap clips at the bottom of the backpack. The strap ends with a snap hook, so you can attach it to the left or right clip and wear it on either your right or left shoulder.The adjustable strap length from 80 to 120 cm and a width of 7.5 cm, plus a breathable lining, will ensure maximum comfort. One compartment and a number of practical pocketsEvery detail has been designed with maximum comfort in mind. Single-compartment model with a two-way zipper. Six different pockets allow you to organize all your daily essentials.The interior of the compartment includes:open pocket for a tablet/powerbank 20x17 cm (compare the pocket dimensions with the dimensions of your device before purchasing);zipper pocket;open pocket from the pouch.Additionally, on the outside:large front zippered pocket;secure zippered pocket on the reverse;small zippered pocket in the shoulder strap.Always chargedThis model is equipped with a USB port with a 50 cm cable. This solution allows you to conveniently charge your mobile devices while on the move.