


If it still cannot be used after being fully charged, please try to use the pen with the charging cable connected.Please charge the pen and make sure that it is fully charged.If the shrapnel of the negative pole is out of place, as shown in the picture below, you can fix it with a simple tool such as a nipper.Please note: The positive pole should be pointing to the same direction as the pen tip. Please check if the battery is properly inserted inside the pen.Try to replace the battery with a new AAA battery.

