A perfect gift for all ladies.Turning clockwise and counterclockwise is flexible for the left and right hands.11 types of drill and 6 nylon wheel makes the nail drill multifunction and suit for both fingernails and toenails.Easy to use and change without tools. Mini portable handpiece easy to carry brings you a beautiful life wherever you want.specifications:Input voltage range: 110V-240V 50 / 60HzOutput voltage: DC12V 1AIdling speed: 18000-20000 rpm (adjustable)Loading speed: 16000-17500 rpmLength of the handpiece: 13 cmWeight of the device: 63g How to use?Step 1: Plug in the USB cable into USB adaptor (or any USB port sources) to the main electric outlet;Step 2: Control the FORWARD / OFF / REVERSE button in the center of the power cord to turn the unit on / off.Step 3: Check the SPEED SWITCH in the middle of the power cord to adjust the speed.Step 4: To secure the drill bits push in the desired drill bit firmly into the hole.Step 5: To Remove the drill bits: Turn off the machine and gently pull out the drill bit.Tips:1. Please do not let the nail cutter work long because you would still feel the device warm even though the aluminum body is already effectively flowing out the heat.2. Please remove the drills after use to prevent the lock from losing the spring force.3. Please stay clean and dry.4. Please soak your hands for a while before use.Package includes:(Please choose the color you want)-1 * Electric Nail File;-1 * USB cable(lies under the plastic box )-1 * User manual-11 * Steel Grinding Head;-6 * Nails Sand Ring-1 * Nail brush