Features:*High-Quality Material: This heating knee massager is made of high-quality material, which is wear-resistant and durable, not easy to break, and can be used for a long time.*Easy to operate: This rechargeable wireless knee massager comes with a detachable touch screen controller, which is clearly visibles and makes operation more convenient.*Portable: The knee massager is small and portable, wireless and rechargeable. It has a long standby time and is very convenient to carry. It can relieve knee pain anytime and anywhere.*Heatable design: This knee massager can be heated and warms up quickly. The temperature control system keeps a comfortable temperature constants, which can promote blood circulations and relieve joint discomfort.*Adjustables design: This knee pad is designed with an adjustables leg circumference, suitable for a variety of leg types, and the massager is multi-purpose and can massage shoulders, elbows, knees, etc.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: OK cloth + embossed cloth + plastic + motorSize: top length: 54cm, bottom length: 50cm, total width: 28cmRated voltage: 5VRated power: 7WBattery capacity: 5000 mAh