Feature: --New design with ergonomic handle, wireless use. --The cordless design is perfect for travel and home, take it anywhere with your bag. --The electric nail files can be used for manicures, pedicures, polishing, shaping, grinding cuticles, removing acrylic/gel nails, or for nail beauty. --Perfect for both natural and acrylic nails and make it easy to treat your nails at home or salon! How to Use: 1. Turn the slider in the middle of the nail drill to the left to remove the replacement core. 2. Choose the appropriate drill bit and place it on the nail drill. 3. Turn the slider to the right to lock drill bits. 4. Long press the power button to use. DIRECTIONS [Predicted value not available, as it is not explicitly provided in the product information. A specific and detailed set of instructions for this exact model would be needed to accurately determine the value. The predicted value would be similar to the following: 1. Fully charge the device for 3 hours using the included Type-C USB cord. 2. Choose the appropriate drill bit and place it on the nail drill. 3. Turn the slider to the right to lock the drill bit in place. 4. Press and hold the power button to turn on the device. 5. Adjust the speed and direction using the smart LCD display and control buttons. 6. Pause the operation at any time using the pause button. 7. When finished, clean the device and store it in the included black bag.]???Powerful but Quiet & Low Vibration?Using high-quality aluminum body and new upgraded motor, it can work with low noise, low vibration and low temperature for better use. Easily removes varnish painlessly without damaging the nail. ???Adjustable Speed & Direction?Equipped with smart LCD Display, which can show clearly the suitable RPM to choose and accurate battery remaining capacity to recharge. There are pause buttons and steering control buttons, which can pause the operation at any time and change the steering as needed. It can be easily mastered regardless of whether your dominant hand is left or right. ???USB Rechargeable & Professional?Build in 1100mAh battery capacity which it is need only 3 hours fully charged for running up to 5 hours. Comes with an upgrade USB interface cord, enjoy Professional Nail Care at Home!. ???High Quality & Aesthetically?Our electric nail drill is made of high-quality materials, It operates quietly, with minimal heat and vibrations, ensuring a safe and comfortable experience. The gradient design of pink and blue makes the nail drill look more beautiful and more advanced. ???Professional Electric Nail File?Kalolary electric nail drill kit comes with 13 Bits, 30 Sanding Bans, 1 type-C, 1 black bag, 1 glass file and 1 brush. 20,000 speeds can help you quickly remove all kinds of manicures, allowing you to get professional manicures, manicures and pedicures at home.