1, the vibration frequency of the motor of the slimming hot compress bag 4 is much smaller than that of the motor of the slimming hot compress bag 6, so the vibration frequency is different.

2. The motor working time of the weight-loss hot compress bag 4 is one hour, and the motor working time of the weight-loss hot compress bag 6 can reach two hours, so the charging speed is fast, so the working time is different.