Features: 360 degree rotation polishing without any jerkiness, fitting baby nails without pointed corners. Equipped with lighting assistance, it can easily operated even in dark environment. Transparent storage compartment design, remove the storage compartment cover to pour out nails shavings. USB Type C charging, built-in lithium battery, compact and convenient, easy to carry and use. Three speed adjustment, quiet operate, easy trimming without disturbing baby sleep. Specially designed for newborns, infants, and children, providing a gentle and effective solution for nails trimming. Specifications: Component: ABS Color: White Size: approx. 71x56mm/2.8x2.2inch Gear: 3-gear slow, medium, high speed adjustable Battery: Built-in battery Input: 5V 0.4A Charging port: Type C Working time: about 4hrs Package Includes: 1 Piece Baby Electric Nails Grinder note: Grade 1 is suitable for baby aged 0-3 year, Grade 2 is suitable for adults, and Grade 3 is suitable for thick nails of the elderly. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.