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The AITREE Portable Mini Air Cooler is a USB-powered evaporative cooler that works as a fan, misting cooler or humidifier. It has three fan speeds, two mist levels, a 600 ml tank, a 2/4/8-hour timer and a 7-color nightlight, and it runs on 5V power from a power bank, laptop or car charger. It cools only a small personal zone, not a room, so it suits a desk, nightstand or tent rather than a bedroom as a whole. Owners report weak airflow and mist that wets the surrounding area, and its 3.1-star average reflects that gap between the marketing and real cooling.
In stockSold by LumiHeatReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners describe a quiet little fan that mists, but many say the cooling is far weaker than the name suggests. Complaints center on airflow, mist wetting things and the gap between the claimed cooling and real results.
This is a portable mini air cooler that works as a fan, an evaporative cooler and a humidifier. It runs on USB power and has a 600 mL water tank. Adding ice water gives colder airflow, and regular water gives a gentle mist.
It has 3 wind speeds (Low, Medium, High) and 2 mist modes (Low, High). The vents tilt through a 90° range to aim the airflow. A built-in timer shuts the unit off after 2, 4 or 8 hours, and a 7-color nightlight is included. It operates below 48 dB.
To use it, turn the lid to fill the tank with water or ice cubes, up to 600 mL. Connect it by USB to a 5V source of at least 1.5A, such as a wall adapter, power bank or car charger. Hold the power button to start, then tap it to change the wind speed, mist mode, timer or lights. The unit has a DC motor and an ultrasonic atomizer.
