Heated Knee Brace — portable, USB-powered warmth with three adjustable heat levels and simple one-button operation. Why this product helps Provides targeted warmth to relieve knee discomfort and stiffness without bulky equipment. Flexible powering options let you use it at home, in the office, or on the go. Easy temperature control and single-button operation make it convenient for everyday use. Key features Versatile USB power: Connect to a wall adapter, laptop, or mobile power bank via USB. (Mobile power bank not included.) Three temperature settings: Choose the level of warmth that suits your needs for comfort or mild relief. One-button control: Long press to switch the brace on or off; simple operation with no complicated settings. Use anywhere: Designed to be worn while sitting, standing, or lying down — plug in and feel the heat. Compact and portable: Small, lightweight design that’s easy to hold and carry so you can take soothing warmth wherever you go. Intended for comfort and relaxation: Ideal for easing everyday knee discomfort and providing soothing heat. Compatibility and performance Works with any standard USB power source such as a USB wall adapter, laptop USB port, or mobile power bank (please supply your own power bank). Consistent, adjustable heat through three preset levels controlled by the single-button interface. Practical use scenarios Office relief: Plug into your laptop or a desk adapter to stay warm and comfortable during long work sessions. Travel and commuting: Carry the compact brace in your bag and use a mobile power bank (not included) to ease stiffness on trains or planes. Post-activity recovery and relaxation: Use after exercise or daily activities to help relax muscles and reduce soreness. Important note Mobile power bank is not included; use an appropriate USB power source. Follow basic safety precautions for heated apparel and do not leave the device unattended while powered.