Ice Troll 5 COOLCOLD Portable Laptop Cooling Fan Air Cooler Speed Adjustable High Performance Notebook Fan Cooler Controller, AC 220V(Black)

1. The real-time temperature control technology: the only exclusive research and development of MCU chip, can keep track of the current temperature of the laptop, and the real-time automatic adjust the signal source to a receiver function of the fan.The higher the temperature, the stronger the signal, the higher the fan speed, and vice versa
2. The thermal conductivity, cooling rapidly
3. Powerful mute, sound-absorbing cotton: skills guarantee dumping cooling can achieve low noise
4. Small size, easy to carry
5. CPU control, charm blu-ray: can open, may be shut, can switch
6. Rated voltage: DC 9V