This is a personal cooler that is portable and can cool to -10°C. - Model Name: Koko Hie + Antibacterial - Cooling Temperature: -10°C - Filter: Clean Filter - Features: Enhanced with 3 functions - Size: Portable I purchased it for 8500 yen and used it a few times, but I no longer need it because I installed air conditioning in my room. I would like to sell it. It is not new, so please refrain from purchasing if you are concerned.