1.USB power charge: 5V 1A
2.Li battery: 18650: 2500mA, chargeing time: 2h, use time: 90mins

3.LED screen easy operation
4.Memory working method. when next time open machine can memory last time working models. comsumer no need to adjust to the models they like.
5.Air massage stress reliever
6.4 Models of airbag working.
7.3 levels heat can be selection
8.4 vibration modles can be selection
9.Adjustable leg wraps size - The calf circumference of the leg wraps can be up to 21 inches.
10.Automatically shut-off after 15 minutes,