1. Product material: ABS
2. Rated power: 5W
3. Rated voltage: DC 5V / Rated current: 1A
4. Timing button: 15 minutes/20 minutes/25 minutes/30 minutes
5. USB charging, with built-in battery 2600mAh, it can be fully charged in two hours after normal charging, and can be used wirelessly after fully charged
6. The fully enclosed airbag (inner side and straps) is squeezed, inflated and deflated in a cycle, and through vibration, the muscles of the knee are repaired and massaged, so as to relieve pressure and let the knee enjoy a relaxing massage
7. 3D surround to protect the damaged knee joint, built-in 20 red light therapy lamp beads, specific wavelength far-infrared and internal and external bands penetrate into the knee, relieve fatigue, pain and discomfort
8. One key to start, large screen display, simple touch interface, the elderly can also use