Products status: stock Material: plastic Type: single fans Application laptop size: 14 inch and below Brand name: techcool oem Model number: ncp70 Place of origin: guangdong, china (mainland) Color: black Usb port: one usb2.0 cooling pad Weight: 520g Safety: ce, fcc, rohs Rated voltage: 5v Performance: excellent Delivery: 30days Color: black Material: plastic Air flow rate: 50 (cfm) Noise: 20dba Dimension:268*340*51mm Fan dimension:140x140x20(mm) 2pc Fan speed:700 â±15%(rpm) 1.Supports 15-inch and below laptop. 2. Dual usb ports, simultaneous expansion and cooling features(heat-shielding design) for better user experience. 3. Ergonomically designed, provides user comfortable and friendly. 4. Base designed with unique slip pads provides strong grip and strability. 5. 160mm silent fan with a flat narrow box-speed rail network design for effective heat dissipation for better cooling of the laptop. 6. Dazzling and colorful, led silent fan. 7. The groove design provided on both sides is convenient for lifting laptops.