The Personal mini Air Cooler LFJ is a portable cooling device that uses evaporation technology to lower the surrounding air temperature. It is powered via a micro USB port and features a 200 ml water tank, allowing for effective air humidification while cooling. With its small size and handle, the cooler is easy to transport and set up anywhere. The housing includes control buttons and operation indicators for user convenience. Product specifications: • Dimensions: 15.1 cm length, 14.5 cm width, 13.6 cm height • Weight: 680 g • Water tank capacity: 200 ml • Power supply: 5V DC, 1A, micro USB • Cooling technology: evaporation • Effective range: 40-60 cm • Package contents: cooler, USB cable, cooling insert, filter, nano silver threads