Usage Tips:Air blow /300000 RPM Brushless Motor: Equipped with a powerful 300000 RPM brushless motor for efficient dust removal.2 Hours of Low-Frequency Use: Built-in 8000mAh battery offers up to 2 hours of low-frequency use for extended cleaning sessions.Infinite Speed Regulation: Features infinite speed regulation for tailored air volume, ensuring optimal performance.21700 Lithium Battery: Comes with two 21700 lithium batteries, providing reliable power and long-lasting use.Color:As ShownMaterial:plasticPackage Contents:1 * Air blowerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.