• 2nd generation,more upgrade 
• 30 pcs / 50pcs / 100 pcs for you flexible choose
• Prevent torn book and waterproof
• Sensitivity upgrade for smart pen 
• Prevent break design

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   Items                                                                               

 A - Smart Pen with 30 pcs book below 

 B - Smart Pen with 50 pcs book below 




 C - Smart Pen with 100 pcs book below