Nulea Wireless Trackball Mouse, Ergonomic 55mm Trackball, 4 Level Adjustable DPI for Precise Control, Left or Right Hand Compatible, Rechargeable, Multi-Device Bluetooth & 2.4GHz for PC, Laptop

Ergonomic Design for Comfort: The trackball mouse is designed to reduce hand movement, making usage more comfortable and less straining on your arm; ideal for long work hours in both home offices and shared spaces.
55mm Large Trackball: Features an oversized trackball for precise control; ideal for graphic design, video editing, and everyday computing on any surface, making this the great track ball mouse.
4-Level Adjustable DPI: 400/800/1200/1600 DPI settings; easily switch between four sensitivity levels for custom control; suitable for browsing or detailed tasks with this bluetooth trackball mouse.
Multi-Device Connection: Connect up to three devices via Bluetooth or 2.4 GHz wireless; this track ball mouse USB wireless is compatible with laptops, tablets, and smartphones; perfect for multitasking.
Ambidextrous Design for Universal Usability:Uniquely supporting both left and right-handed users, the M512 lets you tailor the experience with a simple press of the mode switch button: all key functions automatically swap to match your dominant hand, ensuring a natural, comfortable grip. Ideal for shared use in offices or families, it eliminates awkward adjustments and guarantees usability for everyone.