1. 3D Shiatsu surround massage, ABS environmentally friendly and tasteless material 2. Food-grade silicone cushion massage, 24 magnets to stimulate acupuncture points in all directions 3. Quiet and smooth, seamless track, accurate calorie counting system 4. 12 detachable vibration joints, waist size can be adjusted freely 5. Retractable and adjustable lead block 6. 360-degree omni-directional magnet + massage, double-effect in one, no dead spots for fat burning 7. Smooth and skin-friendly without burrs, comfortable massage 8. Hidden push lock 9. 7-wheel stainless steel rollers, 360-degree high-speed rotation, smooth sliding, easy rotation without noise 10. Function: massage, shape 11. Power supply: built-in button battery 12. Size: 10 sections about 23cm in diameter, 12 sections about 30cm in diameter 13. Weight: about 1100g