ICE COOREL K15C Smart Adjustable Laptop Radiator Base With RGB Lighting Effect Features: 1. Eight-speed height adjustment, more comfortable to use, to meet the needs of different groups of people 2. Multiple powerful large fans, 360-degree rapid cooling without blind spots 3. Hollow heat dissipation design combined with fans, good heat dissipation effect 4. 10 modes of RGB lighting effects, side light rendering with strong immersion 5. Compatible with 21-inch notebooks 6. High-definition LCD display, wind speed can be observed 7. Strong load-bearing metal support rod, stable and not shaking Product parameters: 1. Material: metal mesh 2. Applicable size: 14-21 inch laptops 3. Power interface: USB power supply 4. Rated voltage: DC5V 5. Rated power: 5.75-9.0W 6. RGB lighting effect: 10 modes of LED lighting effect 7. Height adjustment: 8 levels of height adjustment 8. USB cable length: 0.7 meters 9. Product size: 415 x 298 x 25mm 10. Product net weight: about 1600g Packing list: -Radiator x 1 -Instruction manual x 1 -USB cable x 1