Item Type: Baby Nail Trimmer Material: Plastic Power Supply: 1 x AAA battery (not included) Package List 1 x Host 6 x Grinding Head 16 GRINDING HEADS: Baby nail file electric nail trimmer comes with 6 different level replacement heads to make it perfect for any age. 2LOW NOISE: Built in soft low noise motor, so you can trim the nails of baby when they are asleep. You no longer have to wake them up during their morning nap. 3SAFE TRIMMING: You can file the nails of baby without damaging their skin. This is one of the most effective ways to trim nails and help smooth out uneven nail edges. 4ROTARY GRINDING: 360 rotating trim nails to help smooth out rough nail edges and prevent babies from scratching their delicate skin. 5EASY TO HOLD: Electric round shape baby nail trimmer comes with an ergonomic design that makes it easy for anyone to use and grip.