CoolCold 5V Speed Control Version Gaming Laptop Cooler Notebook Stand,Spec: Red Symphony

Symphony Edition/Seven Color Edition/Basic Edition:1. Fan speed: 1600-2500RPM/1600-2500RPM/2600+/-10%RPM2. Power supply: 5V USB power supply3. Interface: dual USB interface4. Lighting: 12 kinds of RGB lights (lights can be adjusted) / 7 kinds of RGB lights (lights are fixed) / no lights5. Height: 7 levels of height adjustable6. Wind speed adjustment method: dial adjustment7. Current value: 1A+/-10%8. Fan speed: 1st gear 1600+/-10%RPM, 2nd gear 2100+/-10%RPM, 3rd gear 2500+/-10%RPM9. Product size: 405 x 285 x 43mm10. Net weight: 1065 grams11. Fan size: less than or equal to 140 x 140 x 20 (1PCS), less than or equal to 70 x 70 x 15 (4PCS)Features:1. 5-core air duct direct access, highly silent design2. Compatible with large area and full size, compatible with laptops within 17 inches3. Ergonomic 7-level height adjustable to relieve shoulder discomfort4. Retractable mobile phone holder, can be hung left and right5.