Outdoor Charging Backpack + USB Port with Solar Panel

Features: It comes with USB function, offers a convenient charging for your electonic devices. It can hold basic thing that you needed for out, such as laptop, wallet, phone. Science burdened system, breathable and decompression. Waterproof and wearproof fabric. There is a dual-USB port at the back of the solar panel, plug and charge. The back zipper is designed not only to prevent theft, but also to have a headphone mouth for convenient music listening.