Mini Shape: This nail trimmer machine is new design which is round shape, more convenient for hand-holding. The machine diameter is only 2.55inch, the portable design allows you to carry anywhere and use whenever. Protect Baby's Skin: Newborn babies have thin and fast growing fingernails that can easily scratch their face or adults' skin, so when babies' nails are long, first gently trim the nails to a length appropriate, then use the baby manicure set to grind and polish them. You no longer have to worry about your baby scratching. Easy to Use: Just 1 button you can simply operate the nail filing machine. You can just operate the trimmer with one hand while holding baby's hand. The nail trimmer is gentle on delicate nail beds and cuticles, so you can swiftly trim and polish those little fingernails and toenails. Low Noise Level: Equipped with a whisper-quiet motor, you can file nails even as the baby sleeps, without causing any disturbance. Suitable for All Ages: This easy to use baby kit comes with baby nail file pads each good for a different age to grow with your baby. Red is for 0-6 months purple is 6-12 months and blue is for 12+ months and toddlers. (batteries not included)