Product detailsHello Dear friend.Welcome to visit our store.Lightweight design is easy for carrying: Made From Durable Eco-Friendly PU LEATHER Fabric With Two “S” Curve Padded Shoulder Straps,Shoulder belt made of honeycomb breathable material,Ergonomic design ensures the dispersion of gravity of the backpack.USB 2.0 Charging port design: Built-in USB cable. Use it to connect the power bank, then connect your phone with USB cable to the USB port, you could charge your phone conveniently.Headphone Jack: you can listen to your favorite music on the go hands-free.Please Note:Due to possible physical differences between different monitors (e.g. models, settings, color gamut, panel type, screen glare, etc), the product photography is illustrative only and may not precisely reflect the actual color of the item received.Instruction:There may be 1 – 3cm differ due to manual measurement. Please choose the right one according to your actual situation.If you satisfied with our product and service,we sincerely hope that you can leave us a positive feedback and 5-star Detailed Seller Ratings.Thanks very much!Note:?1. This item is WITHOUT Power Bank, Batteries, Power source.2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.3.?The zipper has limited bearing capacity, please pull gently. To extend the service life, please dry it before use after getting wet.Note:?1. This item is WITHOUT Power Bank, Batteries, Power source.2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.3.?The zipper has limited bearing capacity, please pull gently. To extend the service life, please dry it before use after getting wet.