large backpack-business laptop backpack water-resistant usb charging port bag for men with rfid protection big travel backpack, fits 15.6 in laptops school bookbag swissdigital swissdigital story swissdigital was founded in 2014 as a high-tech alliance of swiss watch engineering and innovative technology. with our line of electronically enhanced intelligent communication watches, bags, backpacks, and other wearables, you can live smarter and navigate life better. our commitment the name swissdigital carries with it the promise of quality, value, and leading-edge technology. at swissdigital, we stand behind our craft.