Feature:1. High Speed: Nail drill machine comes with a high speed up to 35000RPM, ensures long time polishing and smoothly removing all kinds of nails.2. Adjustable Nail Drill Pen: Allow you can free adjust positive or negative rotation of nail polishing pen, one key to switch, which is easy to work.3. Nail Dust Collector: Effective absorb nail dust, suitable for nail polishing, manicure maintenance, avoid dust flying and breathing into the body.4. Clean Tidy: Nail dust vacuum cleaner can keep your desk clean and tidy, which is convenient and efficient for manicurists and nail amateurs use.5. Powerful Motor: Nail dust collector adopt 60W high power motor, with high voltage fast or slow start mode, the fan can speed changes from slow to fast to protect the fan.How to Use:1. Connect the power adapter and press "On" to enter standby state.2. Insert the polishing pen line into the machine.3. When touching the button of "Fan", the dust collector will enter 1 gear and start working. Press it again and the button will become bright and turn to the 2 gear, and the dust collector will become more strong.4. When you press the "Up" key, the grinding handle starts to work. 0‑35000rpm, long press can continuously adjust to 35000RPM, or adjust to the desired gear.