Perfectly adapts to outdoor creative time, craft studios, or quick home repairs with its light aluminum alloy body and USB C rechargeable design and can be charged with powerbanks Ideal for jewelry art, enthusiasts, and repair technicians seeking portable power tool for intricate engraving projects or home workshop maintenance The compact engraving tool 3speed adjustable rotation ( 5000-20000RPM) with stepless control, engineered for detailed craftsmanship on materials ranging from delicate gemstones to hardened metal surfaces professional efficiency with this miniature engraving machine featuring a copper motor 50% longer lifespans and enhanced torques for precise jade carving, wood polishing, and metal grinding tasks Engineered stability meets mobility integrated cooling systems prevents overheating during extended operate while USB charging ensures uninterrupted workflow for engineers tackling polishing tasks, Manufacturer: Woedpez