Ice Troll 5 COOLCOLD Portable Laptop Cooling Fan Air Cooler Speed Adjustable High Performance Notebook Fan Cooler Controller, AC 220V(Black) Duosi Normal working environment temperature/humidity: -10~45

Normal working environment temperature/humidity: -10~45 degrees Celsius

Interface: 3*USB

WCDMA: B1\2\5\8

Support fast charging protocol: QC 2

Ice Troll 5 COOLCOLD Portable Laptop Cooling Fan Air Cooler Speed Adjustable High Performance Notebook Fan Cooler Controller, AC 220V(Black) Duosi Normal working environment temperature/humidity: -10~451. 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