ICE COOREL K22 4-fans Adjustable Laptop Radiator Base with Atmosphere Light Features: 1. Seven levels of height adjustment, more comfortable to use, to meet the needs of different groups of people 2. Quad-core powerful large fan, 360-degree rapid cooling without blind spots 3. Strong wind and low noise 4. Cool blue light, rendering atmosphere 5. Compatible with laptops within 17 inches 6. Strong load-bearing metal support rod, stable and not shaking 7. Dual USB power supply mode, can be connected to external USB devices, power supply energy saving 8. Front anti-slip baffle + anti-slip foot pad dual design to prevent the laptop from slipping Product parameters: 1. Material: metal + ABS engineering plastic 2. Fan size: 125mm x 2pcs, 60mm x 2pcs 3. Fan speed: (14002600) -+10%RPM 4. Power supply: USB power supply 5. Rated voltage: DC 5V 6. Rated power: 3.9W 7. Rated current: 780MA 8. Height adjustment: 7 levels of height adjustment 9. USB cable length: 0.7 meters 10. Product size: 385 x 280 x 28mm 11. Product net weight: about 1000 grams Packing list: -Radiator x 1 -Instruction manual x 1 -USB cable x 1