Features: USB charging interface, charging anytime, anywhere, easy battery life and lightning fast charging Password lock anti-theft. Anti-Theft Lock protects your stuff from strangers. New nano fabric, wear-resistant, scratch-resistant and water-repellent. Hidden card pockets on the shoulder strap, easy to place bus cards, etc. Ergonomic design, the left and right shoulders are backed to each other, which can relieve the fatigue of one shoulder. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. Large-capacity storage/can store daily necessities, reasonable storage. 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! Specification: Internal structure: zipper pocket, inner mesh pocket, inner patch pocket, storage bag Size: 32cm x 16cm x 6cm Closing method: Zipper Package Includes: 1 * USB Charging Sport Sling Anti-Theft Shoulder Bag 1 * 3 in 1 Charging Cable How to use 1.The Password Lock (modify password method) 2.The initial password is 000. 3.How to change the password for the first time: After turning the password wheel to the initial password number, hold down the unlock button and do not release it, then turn the password wheel to the password number you want to change, and release the button. Remember that the number in the password round is the changed password.