Fully charge each smart pen prior to placing them in storage.
Store smart pens in a location that is dry and not excessively hot or cold. Excessive heat or cold may adversely affect the battery performance.
Keep the accessories with the smart pens so they are not lost.
Do NOT open your smart pen for any reason.
Do NOT drop the smart pen or allow any other kind of strong impact, which can severely damage your smart pen and prevent it from working properly.
Keep all liquids away from your smart pen as it is not water-proof.
Do not leave the smart pen in damp locations.