1. External cover: spandex                    

2. Conforms to curve shape of neck                       

3. With 4 buttons for operation: ON/OFF, AIR INFLATION, AIR DEFLATION, HEATING (low/medium/high)                       

4. Timer: 15 minutes                            

5. Can be changed between compression massage mode and static mode (for neck support only by adjustment of air inflation or deflation

6. Heating included                               

7. Comes with USB Type-C charge cable             

 8. Washable cover for healthy use