use install
This machine can use three AAA batteries, including Ni- MH, alkaline, carbon-zinc batteries for power supply. To install the battery, please push .
When it needs to be used for a long time, the power hole can be powered by a standard USB power supply. Please use a USB power supply with a voltage of 5V and a current of more than 500mA .
This machine has the function of charging Ni-MH battery (Ni-MH battery over 700mAh is recommended ). When it is turned off, plug in the USB power supply to supply power . The light source LED will flash twice every three seconds, indicating that it is charging and the charging is complete. After that, it flashes only once every three seconds.
Note: The Ni-MH battery, USB cable and USB power supply are optional accessories and are not included in the product package.
