Deep cleaning makes the dust nowhere to stay: 33,000 RPM motor with an aerodynamically designed housing and impeller provides enough power to blow away dust on electronic components safely without creating static electricity. | Rechargeable battery for thousands of re-uses: The built-in 6000mAh lithium batteries lasts nearly 30 minutes after a full charge. When in low power, it could keep working via a USB cable and will never stop. | High efficiency and take 99% dust away: The rotating speed reches to 33000RPM, which produce a super strong airflow to guarantee a deep cleaning. | Fast charging to reduce your waiting time: : This air duster is specially designed to get charged faster with a 2A adapter (not included), shortening the charging time to 3 hours. The usability can be highly increased. | Handy Comfort Design & Eco-Friendly: Structured with an full-palm gripping design and the detachable nozzle, it is comfortable to hold and is space-saving. Moreover, the device is highly environment-friendly as it’s tested for 5000 times or so of use and is energy- saving and convenient to use.