about this item:

Massage knee heating pad with vibrating core, which can simulate real kneading. Instead of staying near an outlet all the time, you can wear it wherever you want. You can wear it to work, study, sleep, do housework, etc. It is very suitable for the elderly and the young. This heated massager wrap pad is not only used for knees, but also for elbow and shoulder. Knee Heating Pad is equipped with extension straps, which can not only help to secure the knee massager in place, but also allows you to use it on your arms, thighs, knees, calves, ankles. This heated vibrating knee massager is a perfect gift choice for mom, dad, men, women, parents or friends for birthday, thanksgiving, Christmas gift. Show gratitude and care for people you love. Featuring vibration massage, a warm compress, a built-in rechargeable battery, multiple soothing modes, and an intuitive touch panel, this heated knee massager delivers personalized comfort anytime, anywhere.