Product Size: 370*265*58mm; Fan Size:140*140*15cm (2pcs); Operation degree: 6.5-45 degree; Fan noise: 15 dBA (Min); Bearing type: Rifle; Fan speed: 700-1400RPM; Fan life expectancy: 40000 hours; Compatibility: From 9 inch netbook to 17 inch laptopincluding widescreen; USB port: Two USB port; Maximum air flow: 74.35CFM; Other feature : -Ergonomic design: With the stury engineering structurethis cooler pad offers 5 different height setting for laptop users better viewing angle; Ease the pains of neck and wrist for heavy users; Optimal cooling performantce: Metal mesh surface with built-in 14cm silent fan(without fan frame) performs ultimate thermal solution; Adjustable fan speed control&on-off switch adapts to various working enviroments;Great compatibility:Two anti-slip props with adjustable width settings design are specially for accommodating from netbook to large size notebookincluding wide screen; Easy front I/O port access for all types of laptops.