A learning notebook that combines analog and digital. Because it's a twirling notebook that can be folded over, it can also be used as a compact memorization notebook. Brand new, unused. Please see the third photo for how to use it. - Product Name: SmaTan Hands-Free Memorization Notebook - Features: Improves learning efficiency by combining analog and digital - Size: A4 size (210mm x 297mm) - Number of pages: 40 pages - App compatibility: Can be used with a smartphone app Thank you for viewing. Non-smoking, no pets.