Use:
1. Used in office or home for keep feet and hands warm.
2. Used for keep warm in personal room.
3. Suitable for the old man to keep warm.
4. Used for the children to keep warm after the bath.
The warm wind is very gentle, it won't be hurt the skin.
Advantages:
1. Easy to carry and durable.
2. No noise, use the PTC heating element to heat, fast thermal efficiency and saving energy.