TRELC Wireless Trackball Mouse with Knob Control & LCD Screen, Ergonomic Rechargeable Thumb Control Mice with Tilt Stand, 8000 DPI, Silent Programmable Mouse for 3 Devices, PC, Laptop, Tablet (Black)
Precision & Smooth Thumb Control - No more need to move your arm around to move the cursor, just with your thumb movement, so you can use it on any surface. Trackball movement reduces wrist and arm muscular fatigue by 20% compared to a regular mouse.
