when using the product, a battery is required, and the battery needs to be provided by the buyerProduct Description:Weight: 35gThis manicure and pedicure kit features a high-speed rotation powerful enough to trim and shape tough acrylics and toenails, yet is gentle enough to work on cuticles and weak or splitting nails.These powerful rotations combined with each precision crafted nail head lets you sculpt, shape, smooth and shine your nails quickly and easily.Five Interchangeable Attachments andamp;HOW TO USE:1. Cone Metal Callus Remover X 1Files and removes hardened skin and corns around the finger and toe,especially for the callus of hand.2.Cylinder Coarse Polish Head X 1Polish the edge of nail, shape the nail as you like, you can use along your nail edge.3.Pink Coarse Disk Head X 1Polish the corner of nail , smooth the edge4. Cylinder smooth Shaper X 1 (Larger than the Polish Head) Polish the nail tip,remove the uneven texture.5.Soft Polishing Felt Cone X 1Polishes nail to complete the manicure or pedicurePacking Included:1 * Manicure Drill5 * Attachments1 * InstructionsNote:1. Because the production batch is different, the purple packaging bag is sent randomly.2.Due to different factory versions, the color of the key-press part of the product may change, which is normal. Thank you for your understanding.