1.Built in airbag inside,provide air kneading massage for your calf foot and arms

2.Offer 3 modes and 3 Intensities provide personalized massage experience from weak to strong, meet various usage scenarios and needs.

3.Auto shut off function : 15mins

4.With velcro design ,can be adjusted easily to change the size and intensity.

5. Battery:1000mAh   7.4V

6. Work time: about 1h, Charge time: 2.5H