# Kensington Expert Wireless Ergonomic Trackball Mouse

Source: https://figforyou.com/us/mice/kensington-expert-wireless-trackball

- **Brand:** Kensington
- **Model:** Expert Wireless Trackball
- **Category:** Mice
- **Spec source:** Kensington product pages, checked 2026-10-11

## Purchase

Verified merchant links are available on the web page: [https://figforyou.com/us/mice/kensington-expert-wireless-trackball](https://figforyou.com/us/mice/kensington-expert-wireless-trackball)

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | K72359WW | https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1 |
| Ball diameter | 55 mm | https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1 |
| Connection | 2.4GHz USB Receiver, Bluetooth® LE | https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1 |
| DPI | 400 DPI | https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1 |
| Hand orientation | Ambidextrous | https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1 |
| Buttons | 4 | https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1 |
| Sensor | Optical | https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1 |
| Warranty | Limited 3-year warranty | https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1 |

## How it compares in Mice

- **DPI:** 400 DPI (source: https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1) - Higher maximum DPI than 0 of 28 other checked models
- **Buttons:** 4 (source: https://www.kensington.com/p/products/electronic-control-solutions/trackball-products/expert-mouse-wireless-trackball-1) - More buttons than 0 of 24 other checked models; level with 2

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