Name of item: laptop cooler Composition: Metal and Plastic 5V DC voltage Present: 0.9A Type of Bearing: Oil Bearing Air-Cooled Type of Radiator Features include a cooling pad, four fans, two USB ports, and an adjustable angle. The approximate dimensions of the laptop accessory are 14.9" * 10.7" * 0.98". 2400 RPM ± 10% RPM is the fan speed. Level of noise: less than 20 dB Notebook Size Compatibility: 12–17 inches 5V of voltage DC Two USB ports Adjustable speed: 6 Model