Description [Low Noise Low Vibration Low Heat]: Max 20000rpm. Speed can be adjusted. Forward and reverse operation. Plastic body provides efficient heat dissipation. Quiet and comfortable for prolonged operation. Contact the seller to resolve the issue if any. Low noise, low heat, and vibration for and long-term operation [Adjustable Speed & Easy to Use]: With a speed control knob, making this electric nail file easier and to polish your nails. It is professional for both home and use. This electric nail file is with a powerful yet quiet motor. Furthermore, the smart heat dissipation effectively avoids overheating. Speed can be adjusted from 0-20,000 RPM. [MULTIFUNCTIONAL]: with 36pcs metal bits (also works with all types of 3/32 inch bits)Carving, engraving, milling, grinding, sharpening, sanding, polishing, even carving deep into glass [PERFECT GIFT DESIGN]: low vibration design for comfortable grip. Lightweight and design, easy to carry when traveling. for weddings//Christmas/parties/masquerades/etc. Valentine's Day gifts for her or for . size: 15 x 10 x 5cm Material: ABS Color: Black Package Contents: 1 x 1 x USB Cable 36 x Grinding Head 1 x Box of Grinding Pins Only the above package contents, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The measurement allowed error is +/- 1-3 cm.