Feature: 1. Multi Purpose Support: Electric heated knee brace provides multi purpose support not only for your knees but also for your shoulders and elbows. It protects all your joints during exercise. 2. Rechargeable Battery: Electric heated knee brace is equipped with a powerful 4000mAh lithium ion battery that provides long lasting use. You can use the brace continuously for several hours. 3. Multiple Adjustable Settings: Electric heated knee brace has 3 temperature settings and three vibration modes that you can adjust it according to your needs. 4. Mesh Pocket: Designed with mesh pocket design that allows you to insert heating pads or herb bags, providing additional relief from muscle fatigue and tension. 5. Ergonomic: Design of the electric heated knee brace is ergonomic, making it comfortable and easy to wear. You can adjust the brace to fit your body size and shape. Specification: Item Type: Heated Shoulder Wrap Set Material: ABS Battery Type: Lithium battery 4000 mAh (built in). Package List: 1 x Knee Pads1 x Long Strap1 x Short Strap1 x Instruction1 x Type C Charging Cable