The Sharper Image Calming Heat Massaging Knee Wrap combines heat and massage to soothe sore muscles and joints in the knee. Here are some key features: 
Heat and massage: It offers two heat settings and five massage modes.
Weighted: It has clay bead filling for added pressure.
Adjustable: It has adjustable straps for a comfortable fit.
Safe: It has an auto shut-off feature.
Versatile: It can be used at home, work, or while traveling.
Material: Made with soft, smooth velvet fabric.
The wrap is designed to provide targeted relief for knee pain, and many users find it comfortable and effective. It is recommended to use heat for 10 to 20 minutes at a time.