Slim and Lightweight-A Perfectly Fit Notepal U3 Plus is made from a lightweight aluminum material that has been hairline to a smooth surface. It's clean, elegant and will fit in wherever you put it. Patent Moveable Cooling Fans. Three patented quick release fans can be adjusted to your specific laptops layout, target and eliminate your laptop's heat zones. No More Messy Wires. Wrap excess cables around two built-in cable management loops. Now your desk looks neat and clean. Transforms Into a Laptop Carry Case. Carry and protect your laptop in the Noteplus U3 Plus with the included safety belt. Specifications: - Materials: Aluminum, Plastic, Rubber - Weight: 1.1kg (38.8oz) - Dimensions: 435 x 333 x 76 mm (17.1 x 13.1 x 3.0 inch) - Fan Dimensions: 80 x 80 x 10mm (3.2 x 3.2 x 0.4 inch) - Fan Speed: 950 - 1800 ±15% RPM - Fan Airflow: 15.42 CFM (each fan) - Fan Noise Level: 21 - 23 dBA - Power: USB 5V DC - USB: USB 2.0/1.1 x1 (Extension) - Current Consumption: 0.24A - 0.46A - Power Consumption: 1.2W - 2.3W - Compatibility: Supports up to 19" laptops