QA30 About this product: Multi-function 2-in-1 Set: This set integrates professional nail and foot care, including 10 high-quality accessories and sanding bands. It can be used for nail design and trimming, and is compatible with gel nails and artificial nails. It also allows for foot care, including exfoliation, shaping, and treatment of thick calluses, making it perfect for both home and salon use. 10-Speed Adjustment: Equipped with a 10-speed adjustment function, combined with button operation and an LED indicator, allowing for easy and precise speed adjustment with one hand. The forward and reverse rotation function meets the needs of both right-handed and left-handed users, allowing for smooth operation even with the non-dominant hand, catering to diverse nail needs. USB Rechargeable: Unlike traditional electric nail tools, it supports USB charging. The built-in 1500mAh lithium-ion battery provides 3-4 hours of battery life on a full charge, significantly reducing the frequency of charging. The lightweight and portable design allows you to enjoy nail care anytime, anywhere. Thoughtful Design and Protective Features: LED lighting illuminates the work area, and the LCD display shows shift position changes and low power warnings in real-time. The device has a simple design, is easy to hold, and comfortable to use, making nail art easy to create. It is also equipped with a dust cover, effectively preventing the scattering of powder during nail work and keeping the work environment clean. After-Sales Service and Precautions: We offer a 12-month manufacturer's warranty to eliminate your worries. To protect the battery life, we recommend using a 5V/1A or 5V/2A charging adapter for slow charging. For the long-term use of the product, be sure to switch to the center stop position before switching between forward and reverse rotation, and perform the switching operation after the rotation has completely stopped.