[Mini Reciprocating Sander] USB Quick Charging Electric Sanding Pen with 8pcs durable nylon sanding gead and self-adhesive sandpaper, sanding head sizes easy to identify. Irregular shapes of flat heads and rounded heads, Meet your grinding needs for different scenes. [Small Sander] multifunction detail sander offers precision lightweight design. That excels in small projects and intricate work, providing precise control and effortless maneuverability. [Overload Protection] The intelligent overload chip can automatically shut down when the pressure is too large, reduce the motor loss and extend the service life of the product. Three gear adjustment, 2800/3100/3600 times per minute. Fast and smooth reciprocating sander. [USB Quick Charging] The charging time is about 20 minutes, the indicator feedbacks the power in real time, and the battery life is about 100 minutes under full charge and no load state. Model:ES-A Grinding speed:2800/3100/3600 times/min Colour:Red Material:Plastic Size:178x21x18 mm Package Contents: 1 * ES-A Sander main body 8 * Sanding Heads 1 * Power Cord Only 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.