3 improvement in Second-generation

1) More User-friendly Regulator
You can be easy to control the three regulator, adjust to meet your head size.

2)More Ultra-Quiet
Very quiet when you are in massager,make you feeling just like in the nature,around by forest and sea.

3)Recharge by power or outside by battery
You don't need to worry about the power, the massager can be charged by power directly, or by battery when you travel anywhere,very convenient for your usage.