1.Rechargeable
2.Built-in 3.7V 2000mAh Battery, charge 2.5h, use 80mins
3.USB cable charge. 5V 2A, 26W

4.6pcs 3D heads for shiatsu & pinch Trapezius Neck & Shoulder Massager
5.Two Shiatsu & Pinch models, can be selection.
6.Silicon heads elastic massage
7.Wearable design Hands-free fixed strap design + Cordless
8.47degree Infrared heating function, overheat protect.
9.High quality PU cover, Comfortable strap design
10.Automatic timing at 15 mins
11.3 speed shiatsu can be choose
12.Can use for neck, back, leg part.
13.The working ball fabric cover can be take off for wash.