1. Material: ABS
2. Mute seamless track
3. Adjustable power hammer
4. Detachable vibration joint
5. 3D Shiatsu surround massage
6. Increase four-wheel stainless steel ball bearings
7. Use a LR 44 button battery
8. Magnet massage to speed up fat burning in the abdomen
9. Soft, comfortable and skin-friendly, high-soft silicone massage cushion
10. Reinforced and toughened material, outsourcing paint process, anti-oxidation and anti-fracture
11. Intelligent counting system, calorie consumption can be seen, multiple data can be switched freely
12. Unit weight: 1.24kg within 180 catties, 1.29kg within 230 catties
13. Size: 180 catties inner diameter 28cm, suitable for waist circumference 86.5cm, 230 catties inner diameter 31cm, suitable for waist circumference 95.5cm