?High-Performance Product & Paperless? ? Product Contents: The package includes 1 smart pen, 1 Small notepad, 2 pen refills, 1 USB charging cable, and a user manual ? Long-lasting Battery: With a 2-hour full charge, the pen provides approximately 8 hours of continuous usage. The included charging cable ensures convenient recharging, eliminating concerns during travel or outings. ?One-Click Storage, Sharing & Playback? ? The Ophaya Smart Digital Note Pen supports a variety of formats, such as PDF, images, GIFs, and MP4,You can send and share your notes or creations through social media platforms like Email, Facebook, Instagram, Twitter, and more. (Note: Multiple PDF files can be combined before sharing). ? Video Format Saving and Playback: Video playback allows you to visualize the writing process, replaying the creative journey stroke by stroke. ?Offline Storage?: No need to worry when your phone is unable to connect to the app! The smart pen features a built-in 4MB memory card for offline storage of your written content (capable of storing data equivalent to about 1000 pages of A4 paper). Utilizing the audio recording and offline storage functions simultaneously during work or classroom learning can be particularly helpful to prevent missing crucial information,this aids in reviewing important details afterward. ?Recording Function? The Ophaya Digital Smart Pen boasts the ability to record audio while you write. Once connected to the app, it can capture crystal-clear audio. Simply tap the recording button on the notebook or writing pad to initiate audio recording. ?Real-Time Synchronization The SmartPen allows you to write at any angle of 360° and accurately captures everything you create. The captured content is digitally stored in your device and can be shared in real-time. ? Capture inspiration anytime, anywhere: during classes, meetings, or whenever ideas strike you. You only need to jot down your notes on paper, and they will be digitized, stored,You can also view your notes on a smartphone,eliminating the need to carry physical notebooks.