1.Ergonomic design with strong and tender massage perfectly with NIPPLE SHAPE MASSAGE BALLS;
2.Rotating direction changing system set by manually or automatically;
3.Soothing heat therapy for better blood circulation.
4.Multi-purpose applicable to neck, shoulder, lumber, Thighs, calves, hips.
5.Equipped with Overheat Protection Device for more safety.
6.Use at home & in car
7.Auto 15 minutes timer.