describe: 6 nylon wheels and a brush for manicures, pedicures, styling, polishing nails and removing corneas, cuticles, calluses and corns - Not suitable for gel nails, artificial nails. Adjustable direction and speed Adjustable speed, 0-20000 rpm, suitable for sensitive and rough nails. Two-way switch, flexible use for left and right hands. Quiet and convenient operation The high-quality engine runs stably, and the professional pencil drill moves very quietly and stably without vibration. Comfortable grip. Professional quality, bringing the ultimate quiet and smooth experience. Safe and durable, the electric manicure set adopts high-quality aluminum casing to effectively dissipate heat, increase working time and extend service life. Operates with a USB cable and doesn't need to worry about replacing batteries. Compact and Portable All-in-one kit in a well-made box that can be neatly secured and taken anywhere. Ideal for beauty salons, beauty centres, spas or private manicures and pedicures or DIY manicures at home, ideal even when traveling. Features: Electric Nail Clipper, 11-in-1 Cutter Nail File Drill with Cooling Function - The perfect gift for all women. Rotates clockwise and counterclockwise, and can be used flexibly by both left and right hands. 11 drill bits and 6 nylon wheels make the nail drill versatile and suitable for both fingernails and toenails. Easy to use and replace, no tools required. Mini portable mobile phone, easy to carry, allowing you to enjoy a better life anytime and anywhere. Specifications: Input voltage range: 110V-240V 50/60Hz Output voltage: DC12V 1AI Rotational speed: 18000-20000 rpm (adjustable) Loading speed: 16000-17500 rpm Length Mobile phone: 13 cm Device weight: 63 g How to use? Step 1: Plug the USB cable into the USB adapter (or any USB port source) to the main power outlet; Step 2: Control the Forward/Off/Reverse buttons Step 3: Check the speed switch in the middle of the power cord to adjust the speed. Step 4: To secure the drill bit, push the desired drill bit firmly in. Step 5: Remove the drill bit: Turn off the machine and gently pull out the drill bit. Package Contents: 1 piece electric nail file 1. No power storage function, please connect the USB cable to use (USB cable included) 2. Due to differences in lighting and screen settings, the color of this item may be slightly different from the picture. 3. Please allow slight size differences due to different manual measurements. hint: 1. Please do not leave the nail clipper working for a long time because you will still feel the device warm even though the aluminum body has effectively dissipated heat. 2. Please remove the drill bit after use to prevent the lock from losing its spring force. 3. Please keep it clean and dry. 4. Please soak your hands for a while before use.