CoolCold F5 Laptop Radiator Bracket Office Desk Adjustable Laptop Cooler,Style: Fantasy Edition 1. Hidden detachable bracket on the back, universal for mobile phones and tablets, convenient storage 2. Double wheel dial speed control combination to meet different heat dissipation needs 3. Ergonomic design, 7-speed angle adjustment 4. 6 fans for powerful cooling, up to 2100+-10%RPM high-speed turbo fan, powerful cooling, quiet design 5. Adopt dual USB interface output design, which can be connected to other devices without occupying the laptop interface 6. Suitable for laptops up to 17 inches 7. Light effects: the basic version has no light effects, the colorful version has one colorful lighting effect, and the magic color version has 10 cool lighting effects, with independent switch control parameter: 1. Voltage: DC 5V 2. Current: 850+-10%MA 3. Power: 4.25W 4. USB interface: 2 (support input and output) 5. Material: ABS+metal 6. Fan speed: 2200+-10%RPM 7. Product size: 360 x 255 x 27mm 8. Fan size: less than or equal to 60 x 60 x 15mm (6PCS) 9. Net weight: 840 grams