Coolhill specializes in high-performance, rechargeable portable and desk fans featuring advanced ice-compress cooling technology and ultra-fast brushless motors.
Coolhill is a brand dedicated to personal cooling solutions, offering a range of innovative portable and desk fans designed to beat the heat. Known for their cutting-edge ice-compress cooling technology and ultra-fast brushless motors reaching up to 20,000 RPM, Coolhill fans deliver rapid and refreshing airflow.
Their product lineup includes versatile 3-in-1 handheld fans, such as the popular M319 model, which feature high-capacity rechargeable batteries, up to 100 customizable speed settings, and foldable designs for ultimate portability. Whether you need a compact fan for travel, outdoor adventures, or an adjustable desk fan for the home office, Coolhill provides reliable and efficient cooling devices tailored for everyday comfort.
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The fan can be charged using the included USB Type-C cable connected to standard USB ports, laptops, power banks, or car chargers.
Check that the battery is fully charged, ensure the touch control button is pressed correctly, and verify that the fan blades are free of any obstructions.
Use a soft, dry cloth to wipe the exterior of the fan. Do not expose the device to water or immerse it, as this can damage the internal electronics.
The Coolhill M319 features a 5500mAh rechargeable battery that provides up to 12 hours of continuous operation on a full charge, depending on the selected speed setting.
Certain Coolhill models utilize a built-in cooling plate or ice compartment that is designed to lower the temperature of the airflow, providing a more refreshing breeze. Activate this mode per the instructions in your user manual.