Feature(may vary by option.)

●The top model of the portable personal cooler "Koe Hai" This R4 is patented with proprietary cooling technology. Provides cold air up to -10°C than room temperature. The wind speed is No.1 in history of a tabletop cooling fan
●There are several cold fans but some are not cool. The cooling is the number of filters that generate heat vaporization and the performance of the fan to send out a cool breeze. With 32 large capacity filters and a cyclone fan this is the pursuit of serious coolness. Lightweight and compact to carry, so you can cool it in the living room, kitchen, bedroom, workplace, dressing room, and outdoor activities
●In addition, it is up to 40% quieter than conventional products, and the sleep mode (air volume 1) is library-level quiet. The secret is the original Patent Pending Cooling Technology
●Air conditioners that cool the room are high on electricity bill. This saves up to 96% compared to air conditioners. Even if you leave it on a month, your electricity bill is just 93 yen, and it is gentle on your household budget
●The "filter" absorbs and evaporates water and has passed JIS standard test, and is reliable, anti-mold and anti-bacterial specifications. One of the reasons to choose from. Very easy to use. Simply fill the tank with water and place it on the body, then press the switch. Choose between 4 levels of airflow to suit your preference. Up to 11 hours of continuous cooling with one water supply. The convenient "oscillating function" is the standard mode when sitting and using it in 2 different levels, and the wide range is convenient when you are sleeping and you want to have a wide range of motion

[2020 Kohei R2]




[2022 renewal Kohi R4]




[Kohi R3 2021 Model]





Description

The top model of the portable personal cooler "Koe Hai" This R4 is patented with proprietary cooling technology. Provides cold air up to -10 degrees Celsius than room temperature. The wind speed is No.1 in history of a tabletop cooling fan. There are several cold fans but some are not cool. The cooling is the number of filters that generate heat vaporization and the performance of the fan to send out a cool breeze. With 32 large capacity filters and a cyclone fan this is the pursuit of serious coolness. Lightweight and compact for portability, it can also be used in living room, kitchen, bedroom, work, dressing room, and outdoor activities. Air conditioners cooling throughout the room are high on electricity bill. This saves up to 96% compared to air conditioners. Even if you leave it on a month it will only last 93 yen on your electricity bill, and the "filter" that absorbs and evaporates water and has passed JIS standard test, making it reliable anti-mold and anti-bacterial specifications. One of the reasons to choose from. Very easy to use. Simply fill the tank with water and place it on the body, then press the switch. Choose between 4 levels of airflow to suit your preference. Up to 11 hours of continuous cooling with one water supply. The convenient "oscillating function" is the standard mode when sitting and using it in 2 different levels, and the wide range is convenient when you are sleeping and you want to have a wide range of motion.