[Effective relief of knee pain caused by various reasons] - This heated knee pad combines heating and soothing vibration massage and warm fabric, which can effectively relieve knee pain and muscle stiffness caused by cold knees, arthritis, sports injuries, joint swelling, surgical recovery and other reasons, especially in winter and cold weather. [hotter than other products, more important in reducing knee pain] - Our heated knee pads have a three-level adjustable temperature of 158 F/144 F/122 F, which is hotter than other heated knee pads with only 144 pieces on the market. High temperature and strong heating will warm your knee, enhance blood circulation, and reduce deep knee pain. The heat can even penetrate your clothes, so you don't have to worry about getting burned. Overheating protection will always protect you. [Carefree 3-in-1 Knee Massage Machine] - equipped with three-stage adjustable temperature, vibration massage and timer. The soothing vibration will massage your muscles, which will help relieve muscle stiffness. The 30/60/120 minute auto shutdown timer will let you not worry about using knee pads for other things. These functions are independently controlled by 3 independent keys. You can freely set the combination of temperature, vibration and downtime as needed to get the best experience. [Fully mobile, secure] - With USB cable. Powered by rechargeable lithium battery, the soft fabric (without battery) can stretch freely, ensuring free movement without any heavy feeling. Prompt: Due to logistics restrictions, you cannot transport the power pack. Therefore, only knee pads are available, without power packs. [Soft Velvet Fabric Comfortable] - This heated knee pad is made of soft and smooth velvet fabric for a comfortable fit. These three straps are very strong, making the warm fabric more suitable for your skin. It is very comfortable and convenient both at home and in the office. This is an ideal gift for adults and seniors who need heated knee pads to relieve knee pain. Prompt: Due to logistics restrictions, you cannot transport the power pack. Therefore, only knee pads are available, without power packs.