... spa ,chair nail,foot spa 1,shiatsu,knocking,kneading airbags massager, MP3 2,UL Certification with pipeless Jet system Model DS-2226 chair spa ... , chiar nail, foot spa products chair massage function:1. Kneading, rolling, flapping, ... 3. Push On/Off Air Activated Safety Switches4. Also the foot cushion can lift up and down.5. At the front ...