Best Knee Warmer For Arthritis|Knee Pads For Pain|Far-infrared Heating Technology:Harnesses advanced far-infrared tech for rapid heating, delivering targeted relief to knees, shoulders, and elbows. 5-Level Temperature Adjustment:Features 5 customizable heat therapy settings (40°C-60°C) to cater to individual comfort and pain management needs. 5-Level Massage Intensity:Offers 5 massage strengths to soothe aches and pains, ensuring a therapeutic experience. Smart 15-Minute Auto Shut-Off:Equipped with a smart shut-off function after 15 minutes to prevent over-massage and maintain safety. Includes a mugwort bag storage bag: can be used with a mugwort bag to enhance the healing effect of the knee pad. Material: ABS+flannel Color: Black Package Contents: 1*knee pad 1*data cable 1*extension strap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.