Engraving Pen Cordless Rotating Tool Rechargeable Engraving Pen Metal Wood Glass Jewelry Engraving Pen 3 speed Adjustment Overheating P rotection Material: metal Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) size: 21.0x13.5x3.5cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) 【USB Wireless 】 These Engraving Pen With Lithium Battery And Rechargable By USB Interface. Cordless Using Will Be Up To 60 Minutes Idling After Full Charge. Easy To Help You Finish Better Engraved Craft. 【】Say Goodbye To Those Old Ways That Make Crafting Tricky. You Will Create Easily And Make What You Want In Minutes, Featuring The Included 30 Bits, And Personalize On Wood, Metal, Glass, Ceramic And More. 【Easy To Use】 Our Customizer Engraving Pen Are Easy To Operate,special For Beginner To Use.Works With Precision And Comfort On Nearly Any Surface Including Glass, Metal, Wood, , Leather, Jewelry And So On! 【Speed Adjustment】The Metal Engraving Pen Is Equipped With A High-quality Motor. Adjust The Speed In Three Gears, Ranging From 5000 To 18000 R/min, To Adapt To Different Situations. 【Portable】 These Portable Compact Carving Pens Are Convenient To Carry Around, Anytime, Pocket-sized And Lightweight. Create In Your Home, Garden, Studio, Or Even In The .