XUAI smart massage belt is a pain reliever for office workers, elderly people with lumbar muscle strain, backache and back pain. 1. For office workers and elderly people with lumbar muscle strain, Xuai Smart Massage Belt uses the form of heating and vibration massage, combined with wormwood and coarse salt hot compress, to promote waist blood circulation and relieve waist pain. Pocket on the back of the product for wormwood or kosher salt herbal packets 2. The waist and abdomen are heated at the same time, which brings better heat compress effect than single-sided heat compress, warm palace maintenance, relieve waist pain and discomfort 3. There are 6 levels of temperature adjustable and 6 levels of massage intensity to choose from, bringing the most suitable waist massage experience for you 4. The whole product is washable, and the charging plug is waterproof The 5.10000mAh power bank can be used for a long time and can also be used as a power bank in daily life.