1. Three levels of temperature can be adjusted
2. Thick moxa inner pad, smooth craftsmanship
3. Heating the inner core, uniform temperature rise, constant temperature timing
4. Applicable scenarios: before going to bed, lunch break, traveling
5. Size: about 21x9cm
Note: Remember to replace the inner core after 100 times of use, do not fold and heat the inner core, it is not available when wearing contact lenses