How to use the power box:
Installation the battery then open the host - "Power" button, ( keep press 1-2 second, the red light ).
This has different function, you can switching, total 3 mode:Puise; Numb; Absorb;Or you can choose Auto
"Adjust": it can control the shock frequency, it work a while and pause , then work, not keeping work.
The roller on the up right, can control the strength, up is weak, down is strong.
Add 2 pcs AAA battery , make the anal pug all touching skin, adjust the strength, then enjoy yourself.