Wenger XC Wynd Backpack Rucksack 16" Laptop Case Headphone Pocket 28L Black Up to 8 hours of

Up to 8 hours of battery life on a single full charge

Massage: Ideal to help fight periodontitis or gum disease

Runtime approximately 7 hours (depends on useage)

the other end is 250mm x 450mm

Wenger XC Wynd Backpack Rucksack 16" Laptop Case Headphone Pocket 28L Black Up to 8 hours ofAdventure Awaits Designed with your travel needs in mind, this travel backpack features outside compression straps, mesh side pockets and one easy access pocket for all your travel necessities Maximum Comfort This polyester Wenger laptop backpack combines airflow back padding and an adjustable sternum strap to ensure optimum cooling comfort for both commuters and adventurers Protective Storage No matter the weather your belongings are always protected