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seenda Trackball Mouse Wireless, Bluetooth Ergonomic Rollerball with 3 Adjustable DPI, Rechargeable Thumb Control Mice with 3 Device Connection, Precise and Smooth Tracking for PC, iPad, Mac, Windows
Thumb Control Trackball Mouse With the smooth and precise rollerball mouse, you do not need to move your arm for the movement of the cursor. Your thumb will control the cursor instead. It will effectively reduce fatigue and strain for your wrist and arm. Note The backward and forward button is not fully compatible with MAC. Bluetooth & 2.4g Wireless Mice Plug And Play. This trackball mouse has triple connection modes. You can control three devices at the same time, switch freely between Android, tablet and Mac with just one button. Compatible with Windows, Android,

Price is $28.00
Price: $27.99