Xiaomi Mijia Electric Grinding Pen

Xiaomi Mijia Electric Grinding Pen – Cordless 22000RPM DIY Rotary Tool Product Overview The Xiaomi Mijia Electric Grinding Pen is a cordless rotary tool designed for engraving, polishing, sanding, and precision crafting applications. Traditional rotary tools can be bulky and difficult to control when working on detailed projects or delicate materials. This grinding pen combines a high-speed brushless motor, adjustable speed control, and a lightweight aluminum alloy body to support accurate finishing and material processing tasks. Its compact cordless design allows convenient operation for hobby, repair, and creative workshop environments. Specifications Brand: Xiaomi Product Name: Xiaomi Mijia Electric Grinding Pen Model: MJDMB001QW Product Type: Cordless Electric Grinding Pen Motor Type: High-Speed Brushless Motor Speed Range: 15000–22000 RPM Battery Capacity: 800 mAh Rechargeable Batte