This nail filer is great for toddlers and babies who don’t like their nails being clipped. Quietly and comfortably do the job during sleep without waking them up, is the perfect baby gift. The nail trimmer grinding heads suitable for any age. The grinding heads are suitable for 0-12 months baby, medium grinding heads are suitable for babies over 1 year+, coarse and polishing grinding heads are suitable for adults. One click power on and power off, One unplug and one plug, easy to replace the grinding head, You can operate the trimmer with one hand while holding baby's hand with another. Simple function but can trim baby nails quickly and easily.