Features: ELECTRIC ERASER KIT. The professional sketching eraser set contains: 1 Pc Electric Eraser; 8 Pcs Broad Eraser Refills; 8 Pcs Thin Eraser Refills; 2 Pcs Metal Clips; 1 Pc USB Cord. A great helper for school studying, office working, drawing, designing. Easily correcting even the smallest imperfections. USB RECHARGEABLE, REFILLABLE. Quality crafted erasers allow you to erase mess-free, or create detailed corrections with ease, without damaging your papers. 600mAh rechargeable lithium battery, once fully charges can be used for almost 30 days, easily erase up to 600 times. VERSATILE USAGE. Multi-purpose eraser stationery set for kids, students. Thoughtful designs: Easy to refill. Adjustable eraser thickness, auto erasing, built-in eco-friendly battery, long runtime. Perfect for school class, highlighting fine details. Precise removing sketches mistakes, coloured illustrations, colored pencil or charcoal drawings, and more. TOP QUALITY, DURABLE. Made of eco-friendly premium rubber material, which can cleanly removes marks. Perfect for erasing unwanted marks fine point erasing and also creating unique eraser effects. EXCELLENT CHOICE. Very suitable for designers, painters, pro artists, beginners, students, teachers, office clerks, etc. Great gift for friends, boys, girls, classmates, children, teens on Christmas, Halloween, Thanksgiving, Children's Day, Birthday, etc. Specifications: Color: Pink; White; Blue Material: RubberElectronics Battery: 600mAh Lithium Battery Motor Voltage: 3.7V Total Length: Approx. 14.5cm/5.7in Small Refill Diameter: Approx. 2.3mm/0.09in Large Refill Diameter: Approx. 5mm/0.2in Weight: Approx. 130g Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc Electric Eraser 16 Pcs Eraser Refills 2 Pcs Metal Clips 1 Pc USB Cord