[【Heating and Vibration Function】 The knee massager have 3 heating levels respectively Low - Temperature Level 45℃/115℉;Medium-Temperature Level 50℃/125℉;High - Temperature Level 55℃/130℉. It also has 3 vibration modes: low high and automatic switching. helping to alleviate various knee discomforts. 【3D massage module】 On the basis of traditional red light heating and vibration functions the knee massager has added massage module in three directions achieving a 3D massage experience. Equipped with fast heating and strong vibration functions. "【Easy To Use】 This knee massager has an LED touch screen display long press the button to start or end the work Short press the mode button to cycle through the modes. It also has a timer function that automatically stops the massage after 15/20/25/30 minutes. With a large capacity 2600mAh battery it has a long battery life and doesnt require frequent charging. It can be charged via a USB-C charging cable." "【Cordless and Easy to Carry】 This is portable and lightweight (weight/1.65lb) massager. A must-have product for traveling it wont waste too much space in your suitcase. It can also be used at home in the office and at leisure." "【Perfect Thanksgiving Christmas Gift】 This knee massager features an ergonomic design comfort to relax your Knee Shoulder Elbow. And it makes a practical gift for your loved ones. It is suitable for Fathers Day Mothers Day Thanksgiving Christmas New Year and other holidays." "Attention: The knee massager needs to be fully charged before use. We offer a 90-day warranty to give you peace of mind. If you have any questions or concerns please dont hesitate to contact us and we will resolve them within 48 hours. IMPORTANT: The SUPBAND knee massager is a healthcare product and is not intended to treat any specific condition. If you experience serious discomfort please consult a healthcare professional."]