Description: REPLACEABLE GRINDING HEADSFour different colors of grinding heads are available for replacement, suitable for babies of different ages and to meet different needs. ADJUSTABLE SPEEDTwo speed adjustment, fast and slow, makes the operation easier and will not accidentally hurt your babys fingers. 360 DEGREE UNIFORM GRINDING360 degrees of uniform grinding, easy to round the sharp corners left behind, so that the nails are rounded. PREVENT INJURYWhen the grinding head touches the finger area too large, it will automatically stop to avoid finger injury, more safe to use. QUIET USEQuiet and low vibration of 35 decibels, noise-free experience, baby can also have manicure while sleeping, which is safer. BATTERY POWERED1 AA battery needs to be provided by yourself, according to the frequency of the baby using it once every 5-7 days, an AA battery can be used for about 1.5-2 months. Specification: Material: ABS+TPE Color: white, beige, pink, light green Size(approx): 11.5 x 4.5cm/4.53 x 1.77inch(length x width) Powered by: 1 x AA battery(not included) Package: 1 pc x Nail clipper 3 pcs x Replacement grinding head 1 pc x Storage box 1 pc x User manual Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.