Specification: Origin: Mainland China Material: ABS+PC Input voltage: DC5V-5.5V Input current: max. 3A Fan speed: 3500 RPM 1000 RPM/min (first gear: 2400 RPM 200, second gear: 2800 RPM 200, third gear: 3200 RPM 200) Handle charging time: About 3-4 hours Product weight: 435g Product size: About 325x85x32mm/12.79x3.34x1.25inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Heat dissipation base 1 x Disc holder 1 x Headphone holder 1 x Dust cover