Description item : 
http://url.cmtcentre.com/?go_url=aHR0cDovL3Byb2R1Y3R6b25ldWsuYmxvZ3Nwb3QuY29tLzIwMTgvMDUvM2QtcHJpbnRpbmctcGVuLWFlcmItaW50ZWxsaWdlbnQtM2QtcGVuLmh0bWw  
 Cutting-Edge 3D Printing Technology: 8 digital feeding speed control for more accurate and stable extruding, Patented nozzle.  
  
  
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 OLED Display Screen: Flat light emitting technology, do not require a backlight, thinner and more efficient than LCD displays (which do require a white backlight).  
  
  
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 Patented Nozzle: Intelligent temperature heating nozzle, easy to maintain the temperature and high security.  
  
  
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 Ergonomic Shape Design: More slimmer with best handle curve style for easy holding, super lightweight only 55 grams, let your hands move freely and comfortable for smooth operation  
  
  
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 Easier Operation: Easier to put 3D filament refills to the hole at the top of the pen, press the button, the pen will auto load the filaments refills.  
  
  
 
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