QN02 is designed to be small enough for convenient carry and the least space occupation. It runs at a noise below 45 dB that you could hardly notice. In only 1 second, the machine can soon warm up the surroundings without worries of being overheat or on fire due to its temperature and tipped-over protection. 3 wind modes in different temperatures could meet your needs all year round. And the PTC ceramics applied lengthens the product life.