NOTE: THIS ITEM WITHOUT BATTERY, Buyers need to bring a button battery for storage time, otherwise the time will return to zero after the power is cut off.
- If the screen of the product you received is scratched, please remove the protective film.
- If your screen suddenly goes off, please check if you have set “oN Sd” This mode is a power-saving mode, it will automatically go off and automatically light up.
- Please set back to “– Sd” mode, this mode will always show on the LED
- If you receive the product and the USB cable and ADAPTOR still don’t work, please check whether it is 5V.