1. In the manual mode, the fan speed can be controlled manually by the manual adjustment knob, which is not comparable to the speed regulation of several gears.2. Over-speed motor: It adopts double-ball high-power cooling fan, which can operate effectively with high power for a long time. It will not affect the life of turbofan due to incoming dust. It has the advantages of ultra-quiet, high operation, large wind, etc. 3. Anti-skid device: Super anti-skid coefficient, anti-slip effect on both sides, firm, simple and intimate.4. User-friendly design: Each radiator is equipped with 3 kinds of air guiding sleeves, which can be compatible with laptops with different cooling ports on the market.5. Strong compatibility laptop cooling fan.Designed for gaming and office use.Superior cooling effect, low noise and quiet operation.

Specification:Product size: 175*86*52mmFan size: 75*75*25mmFan speed: 1500-3000±10%RPMMaximum air volume: 75.35CFMRated voltage: 5VRated current: 0.35 + 10%AInput power: 1.75WColor: BlackWeight: Approx.210g

Package Includes:1 x Laptop Cooler1 x USB Cable 1 x plastic plate 1 x Soft rubber connection sleeve