The S-901 electric nail file with two-speed settings, usable from 0 months old. - Brand: BabySmile - Model: S-901 - Function: Electric nail file - Target age: From 0 months old - Speed settings: 2-speed settings - Power source: 1 AA alkaline battery required Batteries are included, so you can use it right away. The super soft file has been used a few times. The outer box has some tears. Please note that this item has been stored at home, so there may be some minor scratches. Recommended for those who don't mind. Thank you for looking.