Product Size: 370*265*58mm; Fan Size:140*140*15cm; Compatibility: From 9 inch netbook to 17 inch laptop, including widescreen; USB port: Two USB port; Maximum air flow: 74.35CFM; Other feature : -Ergonomic design: With the stury engineering structure, this 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 performance: 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 environments ; Great compatibility: Two anti-slip props with adjustable width settings design are specially for accommodating from netbook to large size notebook, including wide screen; Easy front I/O port access for all types of laptops. Specification: Powered By USB Number of Fans 1 RPM 700-1400 Fan Diameter 14*14cm Dimensions & Weight : Dimensions 14.57 in x 10.43 in x 2.28 in (37 cm x 26.5 cm x 5.8 cm) Weight 11.53 oz. (327 g) Packing List 1 x Cooling pad 2 x USB cable (60cm) 4 x Anti-slip rubbers