USB Port: practical design with the USB charging port can provide the convenient access to charge your electronic device that connecting your device with your own cable outside and your own power pack inside. (Tips: power pack is not included) | Tsa travel backpacks: convenient at Checkpoint, TSA backpack design for maximum 17inch laptop, can be opened freely 90-180 degree easily, opens quickly at airport security, ensures a easy airplane trip. Exclusive designed for airplane traveling. Serve as travel backpack or spacious college backpack for men, Professional backpacks for laptop. Occasional International travel, overnight backpack camping, hiking back pack with the large capacity USB charging backpack | Large capacity & Easy to carry: the main oversized Opening design compartment provides a large storage and easy to take out or put in for clothes. And two front zipper pockets for mobile phones, wallets or keys, glasses and some small item organized. Size pocket for water bottle or umbrella. A sturdy soft handle with foam on the top for carrying. A luggage strap allows backpack fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying | Secure anti-theft backpacks: design with the Anti theft pockets on the back and protect your values items from theft, such as cellphone, Passport, bank card, cash or wallet . it's perfect for daily airplane trip. Indoor/outdoor activities, International travel, camping, hiking and overnight trip | Durable & Comfortable: Tech backpacks with back U shaped three dimensional ventilation design help for the air convection, ventilation and heat elimination. Comfortable wide breathable mesh shoulder straps with plentiful sponge pad help relieve the stress from your shoulder. Adjustable shoulder straps relieve stress on shoulders. Makes the backpack comfortable to wear even when loaded with all your gears. Recommended age range: 5 years old and up