3 Pack Yuan Smart Lined Notebook with Smart Pen, Real-Time App Sync, A4 Softcover, Digitally Convertible College Ruled Journal, Professional Business/Work/Student Notebook for iPhone & Android

【Pen-and-Paper Texture & Real-Time Digital Sync】Enjoy a smooth, fluid handwriting experience. Pair it with the smart pen for instant mobile app sync as you write-no scanning or photo-taking needed. Offline notes auto-upload once reconnected, perfectly balancing handwriting ritual with digital convenience. 【Generous A4 Yuan Smart Journal Notebook】 This spacious 8.3" x 11.2" smart journal offers ample room for jotting down notes, brainstorming ideas, or sketching diagrams. It features 63 top-tier acid-free pages that deliver a smooth writing experience and prevent ink bleed-through-ensuring every note, sketch, or idea stays pristine on both sides of the page. 【Optimized Digitally A4 College-Ruled Journal】 With perfectly calibrated college-ruled line spacing, this lined journal supports detailed, organized writing to boost productivity for students, professionals, and anyone seeking a neat, structured writing space. 【Works with iPhone & Android】 The Yuan Smart Pen Business APP supports iOS/Android. It supports one-click data import/export, sharing and printing, as well as handwriting stroke replay and file naming/classification. Turn paper into a smart productivity tool. 【Smooth Smart Pen】 The Yuan smart pen writes smoothly with consistent ink flow-no skips or smudges. Comes with 4 original D1 ink refills. 【Data Privacy】 Adopts a server-free local storage mode. All notebook data is saved directly to your personal mobile phone/tablet, No breaches, no fees. Access/edit your plans anytime, anywhere-your data, your control. 【Portable & Soft Paper Cover】 A4 size fits briefcase, tote or backpack for daily commutes, business trips and office use. 3-pack set with black, navy blue and brown covers for versatile styling. Durable soft paper cover resists spills and wear; while inner pages are professionally optimized for smart pen writing, ensuring no ink bleeding or feathering on both sides. 【Complete set included】: 1×Smart Pen + 3×A4 Notebook (63 pages) + 4×Ballpoint Pen Refills + 1×USB Data Cable + 1×User Manual. Everything you need is included for an instant start to your smart journey.