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Kensington Expert Mouse Trackball. Movement detection technology: Optical, Device interface: USB Type-A

Kensington Pro Fit® Mid-Size Wireless Mouse - Graphite Gray. Form factor: Right-hand. Movement detection technology: Optical, Device interface: RF Wireless, Movement resolution: 1600 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Power source: Batteries. Product color: Gray

Kensington Pro Fit® Mid-Size Mouse - Ruby. Form factor: Right-hand. Movement detection technology: Optical, Device interface: RF Wireless, Movement resolution: 1600 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Power source: Batteries. Works on any surface. Product color: Red

Kensington Pro Fit® Ergo Vertical Wireless Mouse. Form factor: Right-hand. Device interface: Bluetooth, Movement resolution: 1600 DPI, Buttons type: Pressed buttons, Buttons quantity: 6, Scroll type: Wheel. Product color: Black

Right-handed comfort, clutter-freeThe Kensington Pro Fit ™ Full-Size Wireless Mouse has an ergonomic, right-handed shape with a soft rubber grip for all-day comfort. It features a high-definition optical sensor with a pointer speed quick-select button for enhanced productivity. It uses 2.4 GHz wireless for long range with minimal interference. And it is built to last with a limited lifetime warranty.- Ergonomic, right-handed shape with soft rubber grip- Pointer speed quick-select button- Forward/back buttons- High-definition optical sensor (up to 1200 DPI) for responsive control- 2.4 GHz wireless for long range and minimal interference- Plug and Play - no drivers required- Scroll wheel with middle button- Built to last with a limited lifetime warranty

Kensington Pro Fit® Mid-Size Wireless Mouse - Sapphire Blue. Form factor: Right-hand. Movement detection technology: Optical, Device interface: RF Wireless, Movement resolution: 1600 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Power source: Batteries. Product color: Blue

Kensington SureTrack™ Dual Wireless Mouse - Gray. Form factor: Ambidextrous. Device interface: RF Wireless + Bluetooth, Movement resolution: 2400 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Power source: Batteries. Product color: Gray

Kensington Pro Fit® Mid-Size Wireless Mouse - Emerald Green. Form factor: Right-hand. Movement detection technology: Optical, Device interface: RF Wireless, Movement resolution: 1600 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Power source: Batteries. Works on any surface. Product color: Green

Scroll Ring and Medium BallSpin the dial to move up and down web pages or documents with complete ease. The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control.KensingtonWorks™ CustomizationFree downloadable software provides an even more personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cursor and scrolling speeds.* *ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks. *Windows ARM-based computers are currently not supported. Please check back for future updates on compatibility.Optical Tracking TechnologyProvides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiencyDetachable Wrist RestSoft cushioning cradles the hand and wrist in ergonomic comfort for pain-free productivity during extended periods of activity on the computerAmbidextrous DesignWorks equally well for both right-handed and left-handed users to get the most out of their trackballPlug & Play InstallationQuickly get clicking and scrolling with fast, simple installation through the reliable wired USB connection, plus it doesn’t need batteriesSmartFit™ - Comfort Made EasyThis product is designed to comfortably fit and be effective for users of all hand sizes.

The Pro Fit® Ergo TB550 Trackball combines the feel of a wireless mouse with the convenience and accuracy of an advanced trackball. A sculpted ergonomic design with 45° tilt helps improve wrist and forearm alignment. The TB550 takes up less desk space than a conventional mouse and is more comfortable during extended use. Users can choose Bluetooth® Low Energy (LE) and 2.4GHz wireless connection options for maximum flexibility. The TB550 offers seven programmable buttons and adds an enhanced 4D scroll wheel that provides intuitive four-direction scrolling. It also features long-life rechargeable battery, made of 51% recycled plastic, and patented ball ejection system for easy cleaning.Ergonomic DesignA sculpted design provides all-day comfort. The Pro Fit® Ergo TB550 features a unique 45° tilt that helps improve wrist and forearm alignment, and an enhanced 4D scroll wheel for an intuitive user experience.Dual Wireless (Bluetooth® Low Energy (LE) + 2.4GHz) Connection CapabilityThe Pro Fit® Ergo TB550 includes a choice of Bluetooth® Low Energy (LE) and 2.4GHz wireless connection (2.4GHz nano receiver included).Rechargeable BatteryThe Pro Fit® Ergo TB550 provides up to 4 months of battery life with a single charge via USB-C® port.Made With 70% Post-Consumer Recycled ABS51% of overall plastic is recycled plastic.Patented Cleaning SystemThe Pro Fit® Ergo TB550’s unique, easy-to-clean design features a built-in trackball ejection button to effortlessly remove the trackball for cleaning when needed.High-Quality Optical TrackingAn optical sensor accurately tracks the 34mm thumb-operated trackball, giving users smooth cursor control and optimal precision. The trackball features 4 switchable cursor speeds (400, 800, 1200, and 1600 DPI).Plug & Play InstallationUsers will be up and running quickly thanks to Plug & Play Installation for simple setup. The trackball features 7 programmable buttons that can be personalized with free KensingtonWorks™ software to enhance productivity.128-bit AES EncryptionThe Pro Fit® Ergo TB550 includes government-grade 128-bit AES encryption for enhanced security to deter hackers from monitoring wireless connection and capturing sensitive information.