【Power Apply】Powered by rechargeable lithium battery and it comes with a USB cable which can charge the battery quickly. Use more than 300 times sharpening after 2 hour charging.
【Heavy Duty Blade & Fast Sharpen】With the heavy duty ultra-durable helical blade, it takes only 3-5 seconds to sharpen. This pencil sharpener gives you up to 4000 times of sharpening without wearing out.
【Rechargeable Pencil Sharpener】No need to change batteries and you can take it anywhere after charging.Just take it with your colored pencils and go painting anywhere you like! Perfect for home, school and office use.
【Auto Stop & Exclude Broken Lead】:This perfect pencil sharpener will stop automatically at a perfect point and it will exclude broken lead automatically.
【Easy for Clean & Large Capacity】Easy to empty the shavings, simply hold the pencil sharpener and make the shavings bin point at the garbage can, take it out in the direction of the arrow to do cleaning.