This ergonomically designed knee massager targets therapy exactly where it’s needed. Choose air compression, stimulating vibration or therapeutic heat and program the intensity and time duration exactly to your needs. Touch display with light-up icons makes this easy to use. The 90-degree shape fits perfectly on the knee, offering soothing relief from pain and stiffness. 7.60” x 6.61” x 5.67”. Rechargeable battery included.