Sensitive Roller Functionality: The device features an innovative scroll control with a smooth handheld design. The sensitive roller enables effortless onehanded page zooming and supports shortvideo ebook formats, while reducing unintended touch inputs. Broad compatibility and wireless pairing: Wireless pairing with smartphones and tablets is straightforward, with compatibility across mainstream devices. It enables multiscenario remote support for internet class meetings and quickconnect remote control functionality across various platforms. Intuitive control feature: The modebutton longpress introduces a contentcreation remote capability, merging capture zoom and pageturn actions. Its streamlined control logic enhances the reading experience and supports immersive viewing without distraction. Low energy consumption: The system is designed to maximize battery longevity, using powerefficient components and energysaving technology to extend usability per charge. Use scenarios: Online classes and meetings: Pair with a tablet to control zoom and page turns during presentations, enabling smooth navigation without touching the screen. Reading and ebooks on a tablet: Onehanded page turning and quick zoom for comfortable reading of text and shortvideo formats. Content creation and demonstrations: Use as a remote to capture zoom while turning pages in instructional materials, facilitating seamless workflow across platforms. Key attributes emphasized: function and control (sensitive roller, modebutton action, onehanded operation), compatibility (smartphone and tablet, mainstream platforms), size and design (compact handheld), performance (batteryefficient operation), and practical applications for study, reading, and content creation.