：
16
4.4 Charge the Battery
1. When the battery icon shows “
” or the mas
-
sage strength decreases, it indicates that the battery
needs to charge. Turn off the unit.
2. Connect the device and the charger with a USB
extension cord. Plug the charger into any power out
-
let, the power box appears and blinks, and the time
display value will update to the percentage of charge.
All other icons are removed and not displayed.
Charging
Parameters
Input
100-240V AC
50/60Hz 0.25A
Output
DC 5V
3. The machine does not work while charging. Nor
-
mal charging will last approximately 2-3 hours.
TIP: Charge the unit at least every 3 months if it is
not used regularly.
5. Mode Instruction
5.1 Mode Description
Main
Mode
Mode
Number
Pulse Rate
(Hz)
Pulse
Width (μs)
1
43
240
2
8
240
3
1.42
240
4
42
240
