We have upgraded from 2 therapy pads to 4 therapy pads and You can massage 4 positions at the same time.
All our product selling undergoes strict QC in factory. Please buy in confidence. 
In order to maintain long term use, we recommend you buy some more spare pads.  
Our massager has the blue LCD backlight. You can use it even at night.

Note:
- Battery not included. 
- No charger and usb cable included

Demo video