Men's anti-theft waterproof crossbody usb port with num lock

-external usb design, fast charging, release hands.
-featuring an ergonomic design, with adjustable strap to perfectly fit your body.
-multi-function shoulder bag /cross body chest bag, water repellent and scratch resistant.
-security anti-theft password lock, safer to go out.
-hidden card pockets on the shoulder strap, easy to place bus cards, etc.
-breathable and decompression carrying system, heat dissipation, ventilation, shock absorption.
-can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag.
-usb charging sport sling anti-theft shoulder bag is the best gift for friends, lovers, family members, easy to use!
-external usb charging interface, you can charge your mobile phone, just put a power bank in your backpack
-backpack security code lock, code 000 unlock, can prevent theft out of doors
-backpack removable hook, easy to use and convenient