1. Do not use the hand massager while driving.
2. Do not use the massager in high temperature and humidity.
3. Do not use if you are experiencing hand redness, inflammation, blood stasis, etc. Also, do not use if you've had hand surgery.
4. Before use, please remove jewelry from hands and wrist.
5. Do not apply nail polish within 1 hour before use.
6. Put the palm of your hand into the inner tube of the massager and turn it on again to avoid damage to the bag. It is suggested to wear disposable gloves for this product.
7. Please use the regulated power supply included with device and pay attention to electricity safety precautions.
8. The hand massager is designed for household electric health care products, not designed for diagnosis or treatment. Our device is solely for commercial use.
9. If cleaning is required, wipe it with sterile cotton dampened with a mild detergent. Do not use water to clean this product.