Ergonomic Thumb Control Design: If you're looking for a more relaxed, natural hand position, smooth thumb control, and lessened muscle strain this is the ideal mouse for you! With this ergonomic mouse, your hand and arm remain relaxed while you move the cursor without moving your arm. Work for a long time? The mice is designed for your all-day comfort! (Note: Great fit large hands)
55º Natural Handshake Posture: With the natural handshake posture, you can keep your hand in a natural grip position to reduce wrist strains and muscle pain. An ergonomic vertical mouse helps you maintain the handshake position while using it, you hardly ever need to twist your wrist.
Easy to Use: Features a 5.25ft (1.6m) USB cable, you can simply plug in and use the ergo mouse. 5 Buttons design boosts your efficiency -- Back/Forward buttons and precision clickable scroll-wheel perform more convenient control. Note: Forward/ Backward buttons are not compatible with Mac OS. All the buttons are non-programmable.
5 Adjustable DPI Levels: Nulea vertical trackball mouse has 5 adjustable DPI levels that helps you quickly respond to your demands. With 500 / 800 / 1000 / 1200 / 1600 DPI resolution optical tracking technology, the wired mice tracks on a range of surfaces with greater accuracy and precision.
Easy Cleaning: Worried about the mouse sensitivity decline after using it for a while? Thanks to its removable ball, the mouse for laptop is easy to clean! You can take out the trackball and wipe it clean, the USB mouse will perform as sensitivity as new.