Handheld mini air conditioner fan. USB portable cooler fan, suitable for home, office and school, also ideal for travel, camping, hiking and other outdoor activities. High quality. Powered by built-in rechargeable lithium battery. It is very convenient for taking anywhere and anytime; or USB charging cable (included) via computer/notebook, car charger, power bank, 5 V wall USB charger, 5 V solar charger, etc. Bringing you cool air during the long, hot summer. Built-in T-shaped holder for free standing on the desk; with exclusive lanyard, which holds to your next for easy mobility. Small compact design, a perfect fit in your pocket, handbag or backpack. Unique 2-in-1 models for fan cooling and air conditioning with the ability to effectively cool down by 3-5 degrees; simply hold the water-cooled sponge casually wet (to prevent the water from overflowing) and it will blow a cold wind with the water vapour; by adding a few drops of essential oils to the sponge, you can even use it as an aroma diffuser or air humidifier. Creates a gentle airflow without rapidly spinning blades and is much safer and quieter than traditional fans. Eco-friendly rechargeable lithium battery, long service life and low power consumption for continuous use. The must-have gadget for a hot summer never be caught in a sweat!