ICE COOREL N106 Laptop Base Adjustment Radiator Dual-Fan Notebook Cooling Bracket, Colour: Luxury Version (Knight Dark) Features: 1. Two fans design, strong heat dissipation 2. Convection air inlet design, large area at the bottom of the air, with 2mm large mesh, smooth ventilation 3. Dual USB output ports, plug and play, do not occupy the interface of the laptop 4. Five levels of height adjustment to meet different needs and protect the cervical spine 5. Suitable for laptops within 17 inches Product parameters: 1. Material: metal mesh + plastic 2. Interface: USB2.01.1 x 2 3. Style: standard version: no speed regulation, no switch; deluxe version: adjustable speed, with switch; flagship version: LCD screen, six-speed button speed regulation 4. Noise: 23dba 5. Air volume: 70CFM 6. Rated current: 038A 7. Fan speed: 1400+15%RPM 8. Fan size: 14 x 14 x 1.5 cm 9. Cable length: 0.7 meters 10. Product size: 36.3 x 26 x 3.2 cm 11. Product weight: about 1000 grams