Mini Reciprocating Sander – USB Quick Charging Electric Sanding Pen with 8pcs durable nylon sanding heads and self-adhesive sandpaper. Sanding head sizes are easy to identify, featuring irregular shapes with flat and rounded heads to meet grinding needs for various applications. Small Sander – Multifunction detail sander with a precision lightweight design, ideal for small projects and intricate work, offering precise control and effortless maneuverability. Overload Protection – Equipped with an intelligent overload chip that automatically shuts down the device under excessive pressure, reducing motor wear and extending product lifespan. Features three-speed adjustment: 2800, 3100, and 3600 strokes per minute for fast and smooth operation. USB Quick Charging – Charges in approximately 20 minutes. Power indicator provides real-time feedback. Battery life lasts up to 100 minutes under full charge in no-load condition. Model: ES-A Grinding Speed: 2800/3100/3600 strokes/min Color: Red Material: Plastic Size: 178 x 21 x 18 mm Package Contents: 1 x ES-A Sander main unit 8 x Sanding Heads 1 x Power Cord Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.