Mijia Electric Polishing Pen calling watch Every frame of action and

Every frame of action and every streak of color in unprecedented detail

The reservoir holds up to 150 milliliters at a time

Charging input: 5V-1A

Bye-bye bumps

Mijia Electric Polishing Pen calling watch Every frame of action andSlim, portable, and great for precision work 2cm slender pen design Dual modes: Lithium battery or plug in Durable brushless motor Dual modes: Lithium battery or plug in No fear of running out of power Simple and intuitive interaction Speed adjustment knob and single power button A versatile work assistant Engraving, grinding, polishing, drilling it can do it all, easy to operate and quick to master Intuitive and simple for beginners With a single