• Adjustable speed up to 35,000 RPM for effective filing and polishing. • Quiet operation with a noise level below 40 decibels. • 550 mAh rechargeable battery with autonomy between 3 and 5 hours of continuous use. • Integrated LED display to visualize speed and battery charge status. • Complete 12-in-1 set including 11 metal drill bits, 1 ceramic drill bit, and 36 sanding bands. • Compact and lightweight design made of aluminum alloy weighing only 70 grams. • Efficient heat dissipation for comfortable and safe prolonged use. • Versatility for professional and home use on gel, acrylic, and natural nails. • Includes USB charging cable, dust brush, and instruction manual.