[Efficient Cleaning, Paper-Friendly]This Electric Eraser provides strong cleaning power to easily remove pencil marks without damaging the paper . Compared to a regular Pencil Eraser, it ensures a cleaner result with no smudges, perfect for protecting artwork, sketches, and drawings. [Dual Refill Design, Meets Different Erasing Needs]The electric eraser comes with two types of refills: a 0.5cm thick refill for large-area erasing and a 0.2cm fine refill for precise erasing of detailed areas. It's ideal as a Painting Eraser for high-detail corrections and in your art. [USB Rechargeable, Convenient for Long-Term Use]This Electric Eraser has a built-in high-capacity rechargeable battery and supports USB charging, lasting up to 30 days on a single charge. It's a more convenient and eco-friendly solution compared to traditional Children's Erasers, which require frequent battery replacements. [Precise Control, No Smudge]The Electric Eraser allows for precise control of erasing power, making it perfect for detailed tasks. Whether it's for Children's Erasers or fine-tuning artistic sketches, it ensures precise erasing without leaving marks, unlike regular erasers that can cause smudging. [Versatile Use, Ideal for Art, Sketching, and Kids]This Electric Eraser is perfect for Drawing, Art, and Sketching, while also being a great choice for Children's Erasers. It helps kids easily erase pencil marks, boosting their learning experience. It also serves as a reliable Pencil Eraser for use , school, or in artistic creations. (The printed words may be different, but it does not affect the use) Color: C:Blue Material: plastic Package Contents: 1 * Electric Eraser 20 * replacement cores (10 thick + 10 thin) 1 * tool holder 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.