Sensitive Roller Functionality: Crafted with innovative scroll control and a smooth handheld design, the sensitive roller enables effortless onehanded page zooming and supports shortvideo ebook formats, while reducing unintended touch errors. Wide Compatibility: Supports multidevice compatibility for reliable wireless pairing with smartphones and tablets, enabling seamless remote assistance during internet class meetings and in everyday scenarios. Intuitive Control Feature: The mode button supports longpress to function as a contentcreation remote device, merging capture, zoom, and pageturn actions, and delivering streamlined control logic to enhance immersive reading experiences. RechargeMinimizing Design: Uses energysaving algorithms to optimize battery life, minimizing the need for frequent recharging and sustaining functionality during work. Use scenarios: Reading and annotating on a tablet or smartphone: use the sensitive roller for smooth zooming and page turns with one hand, reducing finger strain and accidental touches while navigating ebooks and documents. Online classes and remote assistance: pair wirelessly with a phone or tablet for easy control of slides, zoom, and page turns during virtual meetings, enabling clearer focus and smoother participation. Content creation and multimedia work: leverage the mode button to capture, zoom, and turn pages in one workflow, supporting efficient recording, editing, and presentation tasks without switching between devices.