Describe the function of each button on the face massager.

Function Description of Face Buttons:

• 1. Host power on key
• 2. Massage mode selection key
• 3. Air pressure reduction key
• 4. Air pressure increase key
• 5. Massage part selection button
• 6. Hot compress function selection key
• 7. Hot compress function indicator
• 8. Strength adjustment indicator
• 9. Mode selection indicator
• 10. Foot massage indicator
• 11. Calf massage indicator
• 12. Thigh massage indicator
• 13. Air pressure, massage mode, hot compress position indicator frame