Bopai 751-006641 Large Capacity Business Fashion Breathable Laptop Backpack with External USB Interface, Size: 30 x 15 x 44cm(Black) Denior Zoom: 8x optical zoom

Zoom: 8x optical zoom

and the wire is strong

MODE: for mode switching

Support device sharing

One optical and one coaxial input interface

Bopai 751-006641 Large Capacity Business Fashion Breathable Laptop Backpack with External USB Interface, Size: 30 x 15 x 44cm(Black) Denior Zoom: 8x optical zoom1. Anti theft zip pocket on the back for secure wallet storage. 2. USB external interface design, plug and play. 3. Waterproof fabric is used, which is impervious to water. 4. Large area ventilation and heat dissipation, hollow grooves enhance air convection, and effectively cool down in summer. 5. With a card holder, easy to travel. 6. Concealed water cup position, rubber band fixed water cup, no shaking, reducing the chance of wet pack. 7. The