- Red Bean(Vigna angularis) and Mung Bean(Vigna radiata) are used.
- Heating time in microwave: 2min.(500W), 1min.50sec.(600W), 1min.30sec.(700W) More than 700W range should not be used.
- Steam vapor of the beans will give gradually give heat to neck and shoulder.
- It will give good effect for about 25 minutes.
- It can be repeatedly used up to around 250 times.
