Type: Notebook cooler Applicable models: Ultrabook, playbook, notebook Cooling method: fan By fan configuration: 5 fans Noise: 21-23dba Air volume: 35-70CFM Power interface: USb 2.0 / 1.1 *2 USB length 0.3 (m) Rated current: 0.38A Fan size: 60*60*15mm Fan speed: 2400+15%RPM Material: Metal mesh Cooler size: 360* 255*27mm