Since its establishment in 2010, it has collected buyers' feelings about using sling bags for twelve consecutive years,Codoule found that buyers were plagued by issues such as backpack charging cables and headphone cables not connecting to mobile devices. Codoule innovated to make the cross-body bag have a USB charging port and headphone hole, And using high-quality 400D film as the material of the cross-body bag, it has a waterproof function.