Comfortable, warm, pleasant, functional

Handling:
The handling of the heat belt is very simple, the charger is charged quickly (2-3 hours) and is then inserted into the belt. The thermoregulation is adjustable and the switches are easily accessible and intuitive. The different degrees of heat are pleasant. After 90 minutes, the unit turns off, you can fall asleep so well and does not need to worry.

Functionality:
The belt is worn under a sweater, but contributes little to. What I do not feel as bad. Man can therefore him in and outside the home wear (eg in the cold church). Toll I think that the belt is washable at 30 degrees and the manufacturer offers a 3 year warranty.

Comfort:
Is very comfortable to wear.

Conclusion: for the one who has problems with his back, this product is simply a fun thing!