Item Type: Rotary Tools Kit <br>Material: ABS + brass <br>Power Supply Type: Rechargeable, lithium battery technology <br>Charging Mode: USB <br>Specification: 32 Pcs/ set <br>Rated Voltage Range: 3.6V <br>Built in Lithium Battery: 3.6V 700mAh <br>Chuck Size: Approx. 3.2mm / 0.13in <br>No Load Speed Three Levels: 5000-10000-15000(rpm) <br>Applicable Objects: Household, egg carvings, finely carved, and jewelry<br>1、Light And Compact: This electric grinder pen is mini and portable, light and compact, you will not feel fatigue even for long time use <br>2、No Need For Power Adapter: Engraver pen adopt universal USB interface, no need for power adapter, get rid of restrictions, more convenient <br>3、0.5?3.2mm Clamping Range: Brass material thick wall chuck, possess excellent corrosion resistance, clamping range from 0.5?3.2mm <br>4、30Pcs Accessories: Suitable for household, egg carvings, finely carved, and jewelry, equipped with a set of 30pcs accessories to meet different using needs <br>5、3 Variable Speed: The no load speed is adjustable in three levels of 5000, 10000, and 15000rpm, very flexible and practical<p>1 x Electric Sharpener</p><p>1 x USB</p><p>30 x Accessories</p><p>1 x User Manual</p> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.