Electric air duster for keyboard cleaning usb rechargeable wireless powerful dust blower for computers electronics Dust blower guns are mainly used for dust removal in factories and installation and maintenance. The pneumatic air duster blowing gun uses the principle of air amplification to effectively reduce the consumption of compressed air, thereby generating a strong and precise airflow, and driving the surrounding air to work together. This mini air duster cleaner is mainly used in places that cannot be touched by hands, such as: narrow gaps, high places, inside the trachea, inside machine parts, etc. Powerful wireless air duster blower with 39000rpm motor, provides enough power to blow away dust on electronic components safely without creating static electricity.High efficiency and take 99% dust away.Rechargeableelectric air mini duster, built-in battery with 2500 mAh, lasts nearly 20 minutes after a full charge.Handy comfortable design,simpl…