Features:

【App Control & DIY】Connect via Bluetooth to upload text, images. 

【COMFORTABLE TO WEAR 】The back features a soft sponge cushion that helps create a more comfortable carrying experience during daily use. Adjustable shoulder straps help reduce pressure on the waist back and shoulders so you can wear it more easily on trips rides and walks.

【DURABLE MATERIAL BUILD】Made with Leather film + Oxford + nylon material this backpack is built outdoor use while maintaining its stylish shape. The sturdy exterior helps the bag look structured and modern while supporting active lifestyles.
【VERSATILE OUTDOOR USE】Ideal for hiking cycling skateboarding leisure time and fashion outings this backpack fits many occasions with ease. Its compact yet practical size makes it suitable for people who want a unique bag for adventures day trips and casual activities.

【Easy to use only 3 Steps】1:Connect the power bank (Please note that the power bank is not included) 2.Scan code and download the APP 3. Use it according to the instructions(Every backpack equipped with instructions manual).