It adopts LCD screen, clear display of rotation direction, speed, remaining battery capacity, convenient to use. Pen holder design, can be placed on both sides, double-sided pen buckle, thoughtful design. Rechargeable design, built-in integrated 2600mAh high capacity battery, which can run up to 12 hours on a single charge. Adjustable rotation speed 0-35000 rpm. /min, turn the knob to adjust the speed, meet different needs. Forward and backward rotation directions make you feel easy to use with your left and right hands for polishing your nails. Specification: Item Type: Nail Drill Material: ABS Power: 40W Power Mode: USB Product Speed: 35000 RPM Display Built-in Battery Type: Built-in Battery Battery capacity: 2600 mAh Charging time: 4 hours Endurance time: 12 hours It is used for various manicures, accessories and beauty. Product features: high resolution LCD display / can be used jako power bank / double-sided buckle; Host size: Ok. 69 x 23 x 138 mm / 2,7 x 0,9 x 5,4 inches Steps to use: 1. Turn on: long press for 1 second; turn off: long press for 1 second 2. 3. Forward and reverse display: default forward "F" rotation when power on, press the power button to undo "R", and press the power button to return to forward rotation. 4. Rotate clockwise to increase speed; rotate counterclockwise to reduce speed. List of packages: 1 x Host 1 x Polishing Pen 6 x polishing head 1 x Pen Holder 6 x Sanding Belt 1 x Type-C Cable 1 x Polishing Head Connection Line 1 x Manual Note: 1. Thanks za understanding. 2. Monitors are not calibrated the same, the color of the items displayed in the photos may be slightly different from the actual object. Please take this real jako standard.