Wenger SwissGear Ibex 17" Notebook Backpack Laptop Accessories Sony unique technologies include a

Sony unique technologies include a premium lead-free solder containing gold for excellent conductivity

The optical construction features 25 elements in 16 groups

The headphones can be powered using the included rechargeable battery or two AAA batteries (sold separately)

and a unique sleep setting

Wenger SwissGear Ibex 17" Notebook Backpack Laptop Accessories Sony unique technologies include aThe IBEX Computer Backpack from Swiss Gear Wenger combines functionality and portability allowing you to carry your notebook with style. It features air flow back padding and extra durable material on bottom to protect your notebook from accidental scratches. With quick pocket and removable accessory pouch, you can be rest assured that your trip will be an organized one. Fits Widescreen Notebooks of Screen Size Up to 17 inch Features: Fits Most 17