Rechargeable : The Detail eraser has a built in lithium ion battery , and this electric eraser can be used multiple times after being charged . Safe and erasing experience!
Ergonomic Design : Instead of a big rectangle , this automatic eraser is ergonomically designed to be more comfortable to hold .
Efficient Erase : The circular motion and powerful motor allow you to erase the target area efficiently and accurately . With just a little pressure , you have tremendous power .
Big Button : The big button is more labor saving , press and hold the big button , rotate it back and forth to it , very sensitive .
Replaceable Refills : Electric erasers come with replaceable refills , which are convenient for you to replace and use for a long time .