You can definitely lose weight, with limited effect.

2.

The effect is not obvious. The best way to lose weight is to do some outdoor exercise that burns fat.

3.

Massager is a kind of household appliance that helps lazy people enjoy and stimulates local massage through mechanical vibration. It has the functions of dredging channels and collaterals, regulating qi and blood, calming and relieving pain, promoting blood circulation, relieving fatigue and regulating body functions.

4.

The working principle is that the rotation of the motor spindle is transmitted to the eccentric wheel through the coupling spring, and the eccentric wheel is used to convert the rotating motion of the motor into reciprocating motion and transmit the reciprocating motion to the vibrating head. Because the motor speed is 5000 ~ 10000 rpm, the vibration frequency of the electric massager is 5000 ~ 10000 rpm.