AFMAT Electric Eraser for Artists, Electric Eraser with 140 Eraser Refills, Rechargeable Battery Erasers for Drawing, Sketching Pencils, Derwent Graphite Pencils,Arts and Crafts, Drafting Eraser,Black

, First Rechargeable Electric Pencil Erasers for Artists, Students, Teachers, Kids and Adults. You can't miss it. , 'Charge the batteryCharge the battery when you receive the electric eraser. Blue light means charging, no light means fully charged. 2 Eraser Options Thin(φ2. 3mmand Thick(φ5mmThin and thick erasers create different highlights. Please make sure that φ2. 3mm eraser is put into the plastic clamp and φ5mm eraser is put into the metal clamp. Replace the eraser1. After the rubber is used up, pull out the rubber clamp. 2. Then pull out the eraser about 3mm. 3. Back to the original, you can re use. Warning1. Avoid placing any parts in your mouth. 2. For long term use, please recharge the battery when it is not in use for a long time.