Our 4 in 1 Mini Version Air Cooler has a built-in ice tank that can be removed for making ice. Environmentally friendly, energy efficient, eco-friendly, and very lightweight. How to Use: move and transport in parallel to avoid water leaks, place it in the designated location and pour water/ice into the tank, wait for 3 to 5 minutes for the filter paper to fully absorb moisture, connect the USB AC adapter to an AC outlet, insert the larger USB cable into the adapter and connect the smaller end to the power port on the back of the cool air cooler, press the power button to turn on the cooler, press the air volume button to adjust the fan speed and select the desired mode. Specification: Material: ABS, Power: 12 W, Speed: 3 modes. Package Included: 1 * Personal Air Cooler, 1 * Manual, 1 * USB Cable. Note: Add water to the tank without exceeding 2/3, keep the mini air cooler horizontal during use, wait for 3 to 5 minutes for the filter to absorb water before starting to use it, when charging with a desktop computer, connect the USB port to the connector on the back of the computer.