1. Air pressure, heating, vibration function 2. Insert MP3 3. digital dispaly, and hand controller 4. Far-infrared indicator ... -Relax3. Preset massage modes: air pressure , heat, vibration,4. Optional with MP3 function (512 MB capacity)5. Relief of myopia, amblyopia, astigmatism6 ... your eye vision after using computer for long time.10. With modern handy control for easy operation11. Easy to use, space ...