CuPiLo Knee Massager with Heat Heating sells on Amazon use code SDYPUDT2  and save. I think the price is very good. Please read some of the reviews and see people thought of the product.**If you’re not sure whether to buy, add to cart, and you can come back to it later!**

Ease Knee discomfort: With three vibration modes, three heat levels, Cupilo knee massager for arthritis can be combined in nine different ways to provide effective relief from knee joint pain, swelling, and stiffness. Ideal for unwinding and relieving fatigue after work, gym, or house cleaning.

Deep Pain Relief with Soothing Heat: Cupilo knee massager for pain relief device With heat settings from Low (105) to Medium (122) to High (140), choose the most comfortable temperature for your relief. 10-minute auto-shutoff and overheating protection further ensure your safety.