Electric USB re-Chargable Precision Eraser

USB Re-Chargable Eraser has a long lasting charge, no need to change batteries.  For precision erasing.  Comes with a built-in 500mAh lithium-ion battery which is recharged by USB for convenience and long lasting charge.  No need to change batteries.  Includes a USB charging lead and 20 eraser refills (10 large 5mm diametre and 10 extra fine 2.4mm diametre).  The extra fine eraser is perfect for fine hair line erasing for detailed artwork and technical drawing.  The function button is designed to push on and off when required, allowing your hand to hold freely for maximum control.  Suitable for left or right hand use.  Erases quickly and precisely.  Non abrasive with circular motor movements