With 4 round-shaped massage head to shiatsu and rolling 2, "Spot" function to massage the targeted position
3, Width can be adjutable
4, 3 pre-programmed zones - upper, lower and full back
5, With 2 vibrating motors for buttock massage and 2 motos back kneading 6, 3 intensity and 3 modes for buttock massage;
7, Attaches to most chairs with an integrated strapping system
8, Black, faux leather cushion - padded for comfort
9, Detachable extra cushioned layer - use for a less intense massage 10, With car/ home adapter for option 11, With Pillow for option--use for more relaxation
12, With "Demo"function to undersatnd running program clearly
13, Output:12V DC,3500Ma, Power:42W

Output:12V DC,3500Ma, Power:42W