DIY Pattern Backpack With Illuminated LED Display Waterproof Schoolbag Color:Pink When the ashtray cover is

When the ashtray cover is lifted

ambient sound or instrument sound

It can connect two devices at the same time

Optical zoom factor: 16 times

but also more suitable for home use

DIY Pattern Backpack With Illuminated LED Display Waterproof Schoolbag Color:Pink When the ashtray cover is1. Backpack material: oxford, nylon, leather 2. Screen pixel count: 64x64 3. Screen size: 18. 5x19. 5cm 4. Screen pixel pitch: P2. 75 5. Power supply: power bank powered 6. Communication method: bluetooth 7. Smooth zipper, dustproof and waterproof: the smooth zipper opening and closing enhances ease of use and effectively prevents dust and moisture from entering the bag, keeping internal items clean, dry, and protected from damage. 8. Honeycomb fabric