Doneioe Mini Electric Engraving Pen Portable Cordless Rechargeable Engraver Engraving Machine Carving Tool for Wood Ceramic Metal Stone

it features sturdiness, wear-resistance and long service time.
Convenient to Use--Cordless carving pen enables to work even without socket and eliminates messy cord trouble.
High Efficiency--This engraving pen delivers high speed up to 35000rpm, provides efficient engraving, makes carving job easier.
Comfort Grip--Well-designed engraving pen allows you to use it just like holding a pencil, for comfortable hand feel, better control and precise engraving.
Portable & Compact Size--Mini engraver with metal clip on it, measures 14*1.35*1.35cm size and 1.09oz weight, for easy carry and convenient storage.
Rechargeable Engraving Pen--The electric engraving pen is powered by 1000mAh lithium battery that can be recharged and used again. No more disposable battery!
Easy & Safe--It adopts safe on/off switch on its tand a nice chuck. It is easy and quick to equip the pen with 2.35mm bits by the wrench accessory.
Wide Application--The pen can be used to engrave metal, ceramic, wood, pebble, plastic, etc. Fit for DIY project or craft use.

Specifications: 
Material: Metal +  Electronic Components
Color: Black
Output Voltage: 3.7V
Battery: 3.7V Lithium Battery
Battery Capacity: 1000mAh
Speed: 35000rpm
Chuck Diameter: 2.35mm
Item Weight: 31g / 1.09oz
Item Size: 14*1.35*1.35cm / 5.51*0.53*0.53in
Package Weight: 186g / 6.56oz
Package Size: 19*9*4cm / 7.48*3.54*1.57in

Note:
This product is used to engrave only. It cannot polish, grind, cut and drill.
Due to manual measurement, there may be deviation.
Due to lighting, the picture and material object may slightly differ in color, please in kind prevail. 

Packing List: 
1 * Electric Engraving Pen 
1 * Battery Charger
1 * Battery
1 * Wrench
1 * User Manual