SM-422A Vibration Foam Roller Smart massager

* SIZE :Φ14*33*cm
* 4 speed adjustable:1320RPM/1700RPM/2100RPM/
2450RPM, one automatic speed adjustable.
* High quality enviromental EVA material
* Different color available, can be customized
* 4400mAh li battery,charging time is about 3.5hours, can
be used about more than 18 hours when it is full charged;
* USB recharge
* 15 mins time setting