Electric Knee Heating Pads Multifunctional Heated Shoulder Elbow Knee Pad Portable 6 Gear Hot Compress Knee Brace USB Charging ?Features? 1. Comprehensive Joint Protection: This heating knee brace is equipped with 2 extension straps, which can be used on the shoulders, elbows and knees, taking care of your joint health in all aspects. 2. Comfortable Experience: Selected high-quality fabrics, light and soft, skin-friendly and breathable, excellent elasticity, comfortable to wear without sweating, and long service life. 3. Not only helps to keep warm, but also can effectively relieve muscle soreness and spasm, relax muscles, reduce stress, relieve fatigue, and promote blood circulation. 4. Intelligent Temperature Control: Six levels of heating (45/50/55/60/65/70?), intelligent temperature control, switchable dual temperature units of ? and ?, giving you the most comfortable hot compress enjoyment. 5. Timing Function: Four-speed timing (0/15/30/45 minutes) meets the actual needs of different groups of people, and there is no need to time it yourself. 6. Convenient Charging: built-in 3000mAh lithium battery, long-lasting battery life, allowing you to enjoy warm care anytime and anywhere. ?Specifications? Material: neoprene Colour: black Working Voltage: 5V Battery Capacity: 3000mAh Charging Current: 1500mA Charging Time: 2H Weight: 370g Product Size: 72*23cm Packing Size: 18*13*8cm ?Packing List? 1* Knee Pad 1* 70cm long strap 1* 30cm short strap 1* Type-C charging cable 1* OPP bag 1* English User Manual 1* Packing Box