Package Included: The style and color of the backpack are subject to the picture. A: 1 backpack, 1 3.5 interface cable, 1 USB, 1 password lock D: 1 backpack, 1 3.5 interface cable, 1 USB New upgrade, security protection to meet your different needs; initial password 000. Set password: 1. In the initial password 000 state, press and hold the point below the password lock; 2. Enter the desired password, then release the point to complete. Material: canvas and polyester ★ How to make it shine. This backpack needs to absorb light during the day and glow in the dark. The longer the backpack absorbs light, the longer the backlight will illuminate in the dark. You need to carry it in the sun for a while. Then go to the dark place. Then it will emit blue light. ★ If you want to use the external USB charging function, you must do the following: 1. Buy mobile power 2. Connect the mobile power supply using the USB port inside the backpack. 3. Connect your phone to the USB port outside the backpack
4. Charging begins.
length* 30cm width*15cm higth*44cm