43.2 cm (17"). Number of built-in cooling fans: 1. 70 cfm 21 dB. Power source type: USB. Black. NotePal L1, a lightweight and simple notebook cooler for the NotePal family. L1 is the ideal companion for 7" ~ 17" notebooks. The ultra slim and lightweight design is made for easy carrying and storage. The fully meshed surface plus 160 mm silent fan provides excellent cooling performance.. Features:. - Ultra slim and lightweight design for easy carrying;. - Ergonomic design for best viewing/typing angle;. - 160 mm silent fan with superior airflow provides best cooling performance;. - Full range metal mesh and aerodynamic design air intakes;. - USB port extender design keeps your USB ports intact;. - Cable grooves for easy USB cable management;. - Compatible with all 17” and smaller laptops.. Performance. Noise level. 21 dB. Fan performance. 70 cfm. Rotational speed. 1400 RPM. Fan diameter. 16 cm. Number of built-in cooling fans. 1 pc(s). Maximum screen size. 43.2 cm (17"). Minimum screen size. 17.8 cm (7"). Design. Product colour. Black. Ports & interfaces. USB 2.0 connectors. 1. USB version. 2.0. Power. Power requirements. 5V DC, 0.38A, 1W. Power source type. USB. Weight & dimensions. Weight. 720 g. Logistics data. Harmonized System (HS) code. 84733080. Other features. Dimensions (WxDxH). 390 x 310 x 47 mm