• The design which is round shape, is more convenient for hand-holding, safe to polish your nails • Just 1 button you can simply use the nail file machine. You can simply operate the trimmer with one hand while holding baby's hand • The 6 different colored nail trimmer grinding heads are designed for different stages of babies growth and various needs • Grinding your nails silently, your baby's nails will be smooth and don't have to worry about your baby scratching himself anymore Specifications: • Diameter: 6.5cm, height: 2.7cm • Material: ABS •Install: 1 AAA battery (included) Note: •Before Use: Gently clip nails to a proper length. •Take off the batteries if you won’t use it for a long time. •Please keep away from the reach of children. Package included: •1 x Electronic Nail File •2 x AAA Battery