COSITTE nail drill is aimed to make your nail artwork easy and efficient It is a nail beginner starter kit with everything you need to do your nails at home. The electronic file are key for shaping nails on both hands and toes, can be used to buff off calluses and cuticles, the nail drill are pretty much a necessity for acrylic manicures. It is a powerful tool for polishing, please be careful if it is your first time to use it. We recommend the beginners started with low speed then adjust to higher speed.How to Use it? 1>Insert your desired nail drill bit 2>Insert the USB cord 3>Connect the power band/adapter 4>Start your nail wordHow to Change Nail Drill Bit? Just unplug the nail drill bit and insert the nail drill bit you want(Tips: Please insert the nail drill bits as far as you can, it will prolong the life span of nail drill machine) COSITTE portable nail drill kit contain a variety of drill bits and can work at various speeds, the pen-like shape it convenient to hold and use, with minimal vibrations you won’t feel hand fatigue for a full set of artificial nails.For manicures and refills you will need to work forward and reverse. It allows you to work in different directions without holding your or client's hand in a twisted position. Electric nail drill for acrylic nails use standard 3/32” nail drill bits, it can be used with all the standard nail drill bits.Using electric file in your work will help you to work better and faster. The efile machine made from aluminum alloy, it is light and good for efficient for heat dissipation. It is steady and smooth nail polishing tool. You deserve it to get your nails done at home, and you can even carry it and do your nails on travel Package: 1 x Nail Drill 46 x Fine Sanding Band 7 x Nail Drill Bit 1 x USB Power Cord 1 x User Manual