Large main compartment (385 x 315 mm) to fit most laptops with screens up to 16" Padded interior to protect your laptop Zippered front compartment for charger, smartphone, wallet etc High strength fabric for heavy duty use Dual metal zippers and velcro fasteners Durable and adjustable shoulder strap Rubber sides for comfort and grip 8m wireless range (2.4 GHz) Speed select button (800-1600 dpi) Easy to use: just plug and go Storable micro-USB receiver