ACCO Brands Corporation Kensington 75326 Kensington Pro Fit Ergo Vertical Wireless Trackball

Kensington Pro Fit Ergo Vertical Wireless Trackball - Optical - Wireless - Bluetooth/Radio Frequency - 2.40 GHz - Black - 1 Pack - Scroll Wheel - 9 Button(s)

Features:

• Ergonomist-approved design provides all-day comfort
• High-quality optical tracking sensor offers smooth cursor control
• Flexible wireless connection options let you connect up to 3 devices
• Trackball ejection button lets you quickly clean dirt, grime and germs
• Long battery life provides up to 18 months of use on 2 AA batteries