1. Adopting a large heating area of ??7500 square millimeters, the 3D wrapping style wraps the knee to prevent heat loss, heat-based, quick relaxation, and relieve knee discomfort. 2. Five-speed constant temperature hot compress mode to adapt to the needs of massage intensity in different states, and the massage is more comfortable. 3. Built-in micro vibration motor, simulates massage techniques, and stretches the muscles around the joints. 4. Smart touch screen, clear functions, more beautiful, simple and convenient to use. 5. Product material: ABS 6. Surface treatment: spraying + electroplating 7. Battery capacity: 2500mAh 8. Rated power: 7W 9. Rated voltage: 5V 10. Charging voltage and current: 5V 1A 11. Charging time: about 2H 12. Use time: about 120min
