Bopai 751-006551 Large Capacity Business Casual Breathable Laptop Backpack with External USB Interface, Size: 30 x 12 x 44cm(Black) YANTU Use high-quality 3-pin RXL Canon

Use high-quality 3-pin RXL Canon head (audio output/phantom power supply interface)

Material: ABS/ silicone/electronic components

40 oil pan screw gaskets (10 M13

Sound head: capacitive

Bopai 751-006551 Large Capacity Business Casual Breathable Laptop Backpack with External USB Interface, Size: 30 x 12 x 44cm(Black) YANTU Use high-quality 3-pin RXL Canon1. 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