[Personal Space Cooler]: The three-speed mini cooler fan is designed to create a personal temperature environment, combining a fan, air circulator, evaporative cooler and atomizing humidifier to help you spend a cool and fresh summer. Very suitable for hot and dry climates. [Quick cooling and timing function]: 300ml water tank, after adding ice water, the air cooler can quickly reduce the temperature by 5-7. Please place this machine within 30-50 cm beside you. When the water tank is dry, the no water indicator will flash. [New Upgraded Version]: This air cooler is upgraded with a powerful and silent motor, which reduces the noise to 45 dB, and uses evaporative atomization technology to achieve low energy consumption. 3 wind speed options, the maximum fan speed reaches 3m/s, manually adjust the wind direction up and down 80 degrees, to create your own personal cooling area. [Energy saving and environmental protection]: Low energy consumption, no exposure to blades and no possibility of hurting people, and it is completely safe for children or pets. The built-in 7-color LED light makes it an excellent night light for your desk and bedroom. It can be powered by the USB port of a mobile device such as a laptop and can be connected to any socket or USB port.