Features： 1、GRINDING HEADS: Our set contains 6 different kinds of grinding heads with different thicknesses and functions to meet the different needs of babies and adults. 2、EASY TO OPERATE: 360 Degree grinding meticulously polishes the little nails of baby, which leaving no neglected corners for comfort and peace of mind. 3、FUNCTION: Easily help the baby to grind round the corners left after nail clipping, to prevent the baby from scratching their cute face, safe and efficient. 4、APPLICABLE PEOPLE: The electric nail trimmer suitable for newborns, children, toddlers, adults, which can be used for hand and foot nail care and trimming. 5、HOW TO USE: You just need to install two AA batteries, choose the right grinding head and install it on the nail grinder, start the switch and you can use it. Specification： Item Type: Baby electric nail trimmer Material: ABS Battery Type: 2pcs AA batteries (Ship without battery) Application: Suitable for newborn, toddler or adult toe nail care. Package List： 1 x Baby Nail Grinder 1 x Storage Box 6 x Grinding Head 1 x Instruction Manual