- 4D Massage Mechanism
- SL-Track
- Muscle Tension Detection
- Surround Sound Bluetooth Speakers
- Zero Gravity Reclining
- Space Saving Technology
- Lumbar Heat Therapy
- 16 Auto Programs & 6 Massage Styles
- 46 Air Cell Compression
- Automatic Footrest
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INTENSITY LEVEL6 – 7
7 reviews for Osaki OP-4D Master SL-Track Auto Shoulder Zero-G Lumbar Heat Massage Chair