5speed adjustable rotation: 3000 rpm, 6000 rpm, 9000 rpm, 12000 rpm, and 18000 rpm to suit different work situations. Comfortable penstyle design: ergonomic, streamlined handle provides a pleasant grip and better control; lightweight and easy to carry for precise operations. 80 accessories in a case: includes sanding bands, diamond bits, grinding wheels, and more, enabling direct drilling, polishing, engraving, and cleaning with the tool. Cordless convenience and lasting power: fully charge in 12 hours with a 1.5Ah rechargeable lithium battery; safe operation and long service life. Charger included. Practical use scenarios: Woodworking and hobby projects: detail carving and surface finishing on small parts. Jewelry and metalwork: engraving and polishing delicate surfaces, deburring and smoothing edges. Model making and maintenance tasks: cleaning tight spaces, removing burrs, and performing fine grinding and polishing on plastics or soft metals.