Polar cooling portable ac launches as energy-efficient, usb-powered air cooler for personal climate comfort in 2025

This summer's must-have usb air cooler offers 3-in-1 personal comfort with evaporative cooling, humidifying, and air purifying — no installation required this summer's must-have usb air cooler offers 3-in-1 personal comfort with evaporative cooling, humidifying, and air purifying — no installation required

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