Kensington Trackball Expert mouse

Features:

Trackballworks™ Customization:
- Free Downloadable Software Provides An Even More Personalized Experience, Giving You The Ability To Assign A Wide Variety Of Program Functions To Each Of The 4 Buttons, As Well As Controlling The Pointer Speed And Scrolling Speed

Diamondeye™ Optical Tracking:
- Movement Detection Technology Provides Smooth, Precise Cursor Control So You Can Get Where You Want On The Screen Quickly With Less Hand Movement, Improving Productivity And Efficiency

Scroll Ring And Large Ball:
- Spin The Dial To Move Up And Down Web Pages Or Documents With Complete Ease While The Grey Ball Has Been Specially Designed With An Absolute Spherical, Hard Surface For Precise Tracking And Control

Ambidextrous Design:
- Works Equally Well For Both Right-Handed And Left-Handed Users To Get The Most Out Of Their Trackball

Detachable Wrist Rest:
- Soft Cushioning Cradles The Hand And Wrist In Ergonomic Comfort For Pain-Free Productivity During Extended Periods Of Activity On The Computer

- Trackballworks™ Lets You Customize All 4 Buttons, Set Cursor Speed
- Diamondeye™ Optical Tracking Technology For Premium Cursor Control And Accuracy
- Award-Winning Scroll Ring Lets You Scan Up And Down Pages With Ease
- Large 55mm Ball Is Designed As A Perfect Sphere To Provide Exceptional Precision
- Detachable Wrist Rest Supports Hand And Wrist For Ergonomic Comfort
- Reliable Wired Usb Connection
- Wired 180cm Usb Cable Provides Reliability And Avoids Need For Batteries
- Detachable Wrist Rest Cradles Hand In Comfort
- Pc And Mac® Compatible
- Mac® Running Os X Or Later With An Available Usb Port.
- Internet Connections Or Cd Rom Drives To Install The Software.
- Compatible With Windows®7, Windows® Xp, Windows Vi


Specifications:

Compatibility:
- Windows 7, Windows 8, Windows 8.1, Macos 10.8, Windows 10, Macos X 10.11, Macos 10.10 Or Above, Chrome Os 44 Or Above, Macos 10.9, Macos Sierra 10.12, Macos 10.13 Or Above

- Connectivity: Wired
- Controls: Customizable Buttons, Scrollring
- Features: Ambidextrous Design
- Sensor: Optical
- Trackball Diameter (Mm): 55
- Package Type: Retail
- Wireless / Wired: Wired