Flrsucby baby nail trimmer is a safe nail care set for the whole family use. Recommended Age: Red: 0-6 months Purple: 6-12 months Blue: 12 months+ Yellow: Adults Pink: Adults White: Polished (please dip in some water before using) How to Use This Newborn Nail File: 1. Open the back cover according to the indicated direction; 2. Install the battery (1 AAA battery); 3. Select grinding pads; 4. Start to trim nails; Warm Tips: Please store the nail trimmer in the dry and at room temperature. Take the batteries out if not use. Package Included: 6* Grinding Heads 1* Electric Baby Nail Trimmer 1* Storage Bag 1* User Manual