Experience science-backed relief with the Homedics Modulair Compression System Knee Wrap. This unique compression massage applies alternating cycles of gentle pressure to targeted areas. The included knee wrap brings relief to knees stressed from repetitive movement, bending, and exercise. Customize your compression with 4 massage programs and 3 soothing heat levels to effortlessly target tense muscles. The rechargeable universal controller (sold separately) allows you to control the massage intensity and programs without the wires, noise, and hassle of traditional compression massage. It's time for relief for all. It's time for modulair. FEATURES & BENEFITS: Revolutionary compression massage: Gentle pressure & squeezing of muscles using dual-active air compression zones 4 massage programs, 3 soothing heat levels: Customize your relief with adjustable massage to melt away tension Knee wrap: Targeted relief to stressed knees with adaptive fit technology WHAT'S IN THE BOX: (1) Homedics Modulair Compression System Knee Wrap, (1) Instruction Book WARRANTY: 2 Year Warranty