| Product Name | Massage Chair | |
| Model No. | EC-3900 | |
| Japan Medical Equipment Certified Number | 225ABBZX00187000 | |
| Programmed | Power | AC100V, 120V, 220~240V (50/60Hz) (Varies form country to country) |
| Time | 30 min | |
| Consumed Power | 120 W | |
| Engine Consumed Power | 110 W | |
| Heater Consumed Power | 10 W | |
| Range of Speed of Massage Ball | Kneading | 3 level speeds (about 20~30 times / min) |
| Tapping | 3 level speeds (about 270~650 times / min) | |
| Upper and Lower Movement | About 4.9cm/sec. | |
| Air Massage (Air pressure of the bags) | About 36 kPa | |
| Range of Strength of Massage Ball | Automatic Mode | 5 Levels |
| Manual Mode | 5 Levels | |
| Range of Strength of Air massage | Upper body and the seat: 3 Levels of adjustments. (Shoulder, Hand, Waist. The Base) Foot: 3 Levels of adjustments. | |
| Timer | About 15 Min. | |
| Angle of Backrest Reclination (Extension of Footrest) | Backrest | About 120~170 degree |
| Footrest | About 0~75 degree | |
| Total Dimension | Recline position | H 1250 x W 820 x D 1250mm |
| Sitposition | H 770 x W 820 x D 2050mm | |
| Weight | About 90kg | |
| Material | PVC leather, Gum |
