Portable Usb Desktop cooler fan air conditioner NIB. 10"X3" Small Compact

Functionality: It typically functions as a 3-in-1 device, combining a fan, air conditioner, and air humidifier.  Features: These portable coolers often include adjustable wind speeds, automatic timing options (e.g., 1/2/3H), and sometimes even 7-color LED lights.  Portability: They are designed to be compact and lightweight, often featuring a carry handle, making them suitable for use in various locations like offices, homes, cars, or during travel and camping.  Power Source: They are typically USB-powered, allowing for convenient recharging via laptops, power banks, or other USB adapters.  Water Tank: Many models include a removable water tank for the humidifying function, and some have features to prevent overflow or bacteria buildup.