This electric heated foot and ankle brace features five adjustable infrared heat levels (40°C, 45°C, 50°C, 55°C, and 60°C), allowing you to customize the warmth according to your comfort and recovery needs. It also includes three vibration massage modes. Daily Care, Sports Recovery, and Targeted Relief, so you can select the intensity that best suits your situation.The integrated infrared heat technology delivers deep, soothing warmth to help ease ankle discomfort, stiffness, and fatigue. For added safety, the device is equipped with a 30-minute automatic shut-off function to prevent overuse. An advanced NTC temperature control chip continuously monitors heat levels to help protect against overheating.Designed for comfort, the brace is made from lightweight, breathable diving fabric with a non-slip inner lining, an infrared heating middle layer, and a windproof outer layer. The adjustable hook-and-loop fastening strap ensures a secure and comfortable fit for both left and right feet and ankles.