4-in-1 Knee Massager - Deep Heat, Red Light, Vibration & 3D Massage, Cordless and Portable with large LED Screen, Ideal for Joint Pain Relief & Post-Workout Recovery, Gift for Families and Friends

【Advanced Heating Technology】Our knee massager utilizes the latest in heating technology, offering three heating modes ranging from a gentle 45°C/115°F to a soothing 55°C/130°F. Adjustable heating levels lock in the heat for more effective pain relief. 【Versatile Vibration Modes】Experience three vibration modes, including low, high, and automatic switching. These modes effectively alleviate swelling, stiffness, and various knee discomforts caused by strained ligaments and muscle injuries. 【3D wave Massager 】 The ergonomic design of our knee massager incorporates airwave technology that mimics real human massage, providing a comprehensive massage experience.The adjustable and extended nylon straps ensure a comfortable fit for knees of all sizes and can be used on other body areas like shoulders, elbows, and legs. 【High sensitivity LED touch screen】 LED Touch Screen Control Panel is Easy to Operate and Intuitive. The enclosed detailed user manual with larger text and explanatory drawings makes the unit a charm to operate. A separate Quick Start Guide helps you start massaging and relieving pains in no time!Designed for convenience, our knee massager is cordless,portable and equipped with a long-lasting battery. Enjoy the freedom to move and use it anywhere you go. We offer a 90-day warranty for your peace of mind. If you have any questions or concerns, please don't hesitate to contact us, and we'll resolve them within 48 hours. IMPORTANT: the HOLLOII Knee Massager is a wellness product and is not intended to cure any specific medical conditions. If you experience severe discomfort, please consult a healthcare professional.