Features:

4 in 1 knee massager. A combination of vibration heat infrared and laser light relieves pressure on the knee drains fluid and rejuvenates it.
Infrared and laser irradiation. The dual light sources can reach deep into the knees promote blood circulation relieve stiffness and increase vitality.
Apply heat evenly. It can produce uniform heat activate multiple key joint nodes dispel cold and achieve comprehensive effects.
High frequency vibration. It can simulate human body massage and perform all round massage on knees. Can effectively relieve stress.
Easy to use. It features an enlarged LED screen wireless design 100% knee fitting contours Type C port adjustable Velcro and clear indicators.

Specification:
Product type: Smart knee massager
color: White
Product material: ABS+mesh
Input voltage/current: DC5.0V/2.0A
Rated power: 10W
Charging time: 3 4H
Full battery usage time: 2 3H
Battery capacity: 3000mAH
Product weight: 695g
Interface: TYPE C interface
Certification: CE ROHS FCC FDA PSE quality inspection report

Package list:
1*Host
1*USB cable
1*Manual

Operation:
Secure the product on your knees.
Long press the power button to enter automatic mode.
Short press to turn on/off infrared or laser.
Short press the vibration button to adjust the intensity.
Short press the heating button to adjust the temperature.

Note:
The machine is smart: if the machine recognizes that the machine is not being used it will automatically shut down within 2 minutes.

Warn:
1. People with osteoporosis severe fractures sprains muscle pain and acute pain should use it under the guidance of a doctor.
2. This product is not a medical device and is not recommended for medical use.
3. This product contains lithium batteries. Do not disassemble modify immerse in water or throw into fire otherwise the product may be damaged.
4. It is not recommended to use in the following situations:
Have nerve disorders or skin sensory disorders in the legs.
Metal silicone or plastic material is injected into the knee as a result of a broken bone or surgery.
Unable to sense heat.
Knee sequelae caused by traffic accidents etc.
Implantation of medical electronic devices that are susceptible to electromagnetic interference such as pacemakers.
Loss of temperature awareness.
Have malignant tumors.
Have heart disease.
Unstable early in pregnancy or shortly after delivery.
Diabetes can cause sensory impairment.
There are scars on the skin.