Sturdy, durable construction Dual fans to help keep you and your laptop cool; 4-port USB 2.0 hub for connection to peripherals; Adjustable height (4 levels) lets you use as a laptop stand with external keyboard; Bottom ledge keeps laptop in place. Fan Speed - 2500 RPM A Compact Cooling Platform for your Laptop. Turn your laptop into a workstation with the Targus Chill Mat+ with 4-port Hub. Dual fans keep your laptop cool, a 4-port hub allows you to connect all your peripherals, plus the adjustable height allows you to use it as a laptop stand. Use it flat, or at the highest setting (4") with an external keyboard for better ergonomics. Performance Built-in speaker(s) No Design Material Plastic Product colour Black Ports & interfaces USB ports quantity 4 USB version 2.0 Weight & dimensions Weight 900 g Height 260 mm Depth 355 mm Width 25 mm Packaging data Package weight 1 kg Package height 265 mm Package depth 365 mm Package width 40 mm Logistics data Harmonized System (HS) code 84733080