As a home care device, its portability is a highlight. The lightweight design allows us to use it anytime and anywhere, whether it is to relieve fatigue during work breaks in the office or to deal with sudden pain while watching TV on the sofa, it can be quickly put in place. Moreover, during use, it has no side effects and is safe and reliable. With it, we can better take care of the health of ourselves and our families. It is really a high-quality product worth recommending!