1.1. ERGONOMIC DESIGN: A scientifically engineered ergonomic shape promotes a neutral handshake style position for the wrist and arm, yielding smoother movement and reduced overall strain. 2.2. BLUETOOTH CONNECTION: Connects directly to notebooks, PCs or Macs without the need for a receiver. Note: not compatible with iPhone or iPad. 3.3. ADJUSTABLE DPI LEVELS: 800, 1200, 1600 DPI. Optical tracking provides higher sensitivity than standard optical mice, delivering smooth and precise control on a wide range of surfaces. 4.4. SHORTCUT BUTTON: Includes next and previous page buttons for convenient web navigation. A practical choice for internet users, gamers, and anyone who spends long hours at the computer. Practical use scenarios - Remote work or study sessions: The ergonomic design helps reduce wrist and arm strain during long work periods, promoting comfortable, extended use. - Web browsing and productivity: The dedicated next/previous buttons streamline online navigation and workflow during research or content consumption. - Flexible multi-device setup: Bluetooth eliminates the need for a USB receiver, keeping your desk uncluttered. Compatible with notebooks, PCs and Macs; not compatible with iPhone or iPad.