Anatomical Ergonomics: Sculpted design with premium skin-friendly anti-slip rubber grips reduces wrist strain during long sessions.Dual Mode Connectivity: Seamlessly connect via Bluetooth 5.0 or the included 2.4GHz USB Nano dongle. Switch between multiple devices with a single click.Whisper-Quiet Operation: Upgraded silent-click micro switches reduce button click and scrolling noise by over 90%. Ideal for quiet offices, bedrooms, and libraries.Adjustable Precision Tracking: On-the-fly adjustable DPI settings ranging up to 4000 DPI for smooth, hyper-accurate tracking across large or high-resolution monitors.Navigation Control: Multi-button layout including handy side thumb buttons for quick forward/backward web page browsing.