Instruction for use:

1. Turn ON/OFF: Long press "O" key for 3 seconds.
2. Output PAUSE/RESUME: Short press "O" key to pause the output, and short press it again to resume the output (the resume voltage is the working voltage before the pause).
3. Adjust Output Voltage: Press the "+" or "-" key to adjust output voltage. The voltage can be adjusted through buttons (+)(-) respectively with the voltage of 0.5V on each press.
4. Charge The Machine: Take out the charging cable, insert the small end into the charging port of the battery, and connect the other end to the power supply to charge.
5. Working Time: The working time can be accurate to minutes. When the power is turned off, the time will be cleared. When the output is paused, it will also stop counting.
6. Power: The LED display will show the remaining power, and the full power will display 4 divisions. Fast charging through the machine fast-charging USB data cable can usually be fully charged in 1.5 - 2 hours.

Note:
• Handle with care and avoid falling.
• This machine is not waterproof, do not soak in the water.
• When installing the battery, please align the threads and rotate slowly in order to prevent thread slippage.