Backpack For Men USB Charging Luxury Urban Business Bag For Laptop 13.3 Inch Multifunctional Anti-theft Black Casual Rucksack Color:Dark Blue Built-in 2400 mAh lithium battery

Built-in 2400 mAh lithium battery with independent protection plate

Both size and appearance Mini are easier to carry

The material is soft leather

Function: Sleep monitoring

Backpack For Men USB Charging Luxury Urban Business Bag For Laptop 13.3 Inch Multifunctional Anti-theft Black Casual Rucksack Color:Dark Blue Built-in 2400 mAh lithium batteryMain Material: nylon Lining Material: Polyester Backpacks Type: Softback Interior: Interior Slot Pocket Interior: Cell Phone Pocket Interior: Interior Compartment Interior: Computer Interlayer Handle Strap Type: Soft Handle Closure Type: zipper Technics: Jacquard Capacity: Below 20 Litre Item Type: Backpacks Carrying System: Arcuate Shoulder Strap Gender: unisex Style: Business Pattern Type: Solid Size: 30x14x44cm Package includes: 1 x bag