Charging Recommendations: For optimal charging performance, please use a 5V/2A or higher power adapter (not included) and the charging cable provided. Using a third-party charging cable may result in insufficient charging or device malfunction. Important Note: Please stop using the device while charging to avoid damaging the knee heating pad. <br>3 Customizable Vibration Modes: This heated knee pad features dual high-performance motors, offering three massage modes for a deep relaxation experience. The ultra-high-speed 6500 RPM motor delivers powerful yet soothing vibrations, precisely massaging the knee, thigh, calf, and surrounding muscles. <br>Stable Fit & Versatile Design: This knee massager comes with an adjustable strap for a secure fit and precise massage. The flexible heating pad comfortably wraps around the knee, thigh, calf, or arm. The ergonomic design provides optimal comfort and stability during use. <br>A Great Gift for Loved Ones: Our heated knee pads are an ideal gift for parents and loved ones. Their versatile design and cutting-edge technology make them the perfect solution for relaxation. Three flexible timer options: This innovative heated knee brace offers three preset timer options (15/30/45 minutes) for a personalized comfort experience. Its ergonomic design, combining advanced heating technology and easy settings, makes it ideal for relaxation and improved sleep.