Style A: 1* usb cable 1*audio cable 1*anti-cheft lock 1*backpack
Style B: 1* usb cable 1*audio cable 1*backpack
* Material: canvas
* Backpack use: travel, school, casual backpack, laptop / iPad backpack, etc. It is perfect for traveling, working or studying.
*How to make it blue.
1.This backpack needs to absorb light in the daytime and shine at dark.
2.The longer the backpack absorbs light,The longer the backpack in the dark glow time.
3.You need to carry it in the sun for some time.And then walk to the dark place.
4.Then it will be glow blue.
* Read these advantages carefully and you will love it:
1. The backpack is waterproof, wear-resistant, tear-resistant, light weight and suitable for long-lasting use.
2. Scientific stratification, better storage, and easier to find the supplies you need.
3. Padded back panel, side mesh pocket, adjustable shoulder strap to protect your shoulders.
4. Very suitable for fans of Stranger things!!!
* 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 interface inside the backpack.