Bopai 61-121591 Multifunctional Anti-theft Laptop Business Backpack with USB Charging Hole(Black) Tag-Tools Diameter 49mm

Diameter 49mm

Remotely take pictures: When the device is connected to the mobile phone APP Bluetooth

The charging box refuses to power off and the charging box provides additional service life

General Material Aluminum Alloy

cold shoe mounts

Bopai 61-121591 Multifunctional Anti-theft Laptop Business Backpack with USB Charging Hole(Black) Tag-Tools Diameter 49mm1. Material: nylon, microfiber synthetic leather, polyester 2. Function: waterproof, wear resistant, anti theft, load reduction 3. Accommodates computer size: 15. 6 inches 4. Built in PP board, strong bearing capacity, three dimensional version 5. Large capacity multi compartment design to meet the daily needs of going out 6. Hidden pocket design, safe and anti theft 7. The back adopts hollow groove design to enhance air convection and effectively