DIAMONDEYE™ Optical Tracking with Dual Sensors

Advanced movement detection and a large 55mm ball with dual sensors provide smooth, highly accurate cursor control, reducing hand movement while improving speed, precision and overall productivity.

Ultra-Responsive 1kHz Performance

A polling rate up to 1kHz via wired or 2.4GHz connection ensures fast, accurate cursor response, ideal for engineers and professionals who require precise control.

Adjustable Scroll Ring and Two Side Scrolls

Effortlessly switch between line-by-line and smooth scrolling. Use the two customizable side scrolls for horizontal scrolling and zooming. A convenient switch lets you disable scrolling, reducing accidental inputs.

Advanced Customization Options

Choose plug & play convenience or personalize your experience using free Kensington Konnect™ software. Assign functions to up to 16 sets of programmable buttons. Enhance productivity and efficiency with just a few clicks.

AVID Pro Tools Software

Our partnership with Avid empowers sound engineers with the professional's choice in audio production. Register your TB900 at kensington.com/protoolsintroplus to gain access to the extended version of Pro Tools, the industry-standard software trusted by audio professionals worldwide.

Wireless + Wired Multi-Connection Flexibility

Connect up to four devices using 2 x wireless Bluetooth® connections, 1 x wireless 2.4GHz connection with government-grade 128-bit AES encryption, and 1 x wired USB-C® connection. Supports instant switching between computers and tablets without the need for re-pairing.

Rechargeable Battery

Supports up to 4 months of productivity with a single charge. Includes USB-C® cable for in-use charging and wired connection.

Sustainability Attribute

Delivered in Forest Stewardship Council (FSC®) certified packaging.

Ambidextrous Design for Average to Large Hands

Supports all-day comfort for both right- and left-handed users with average to larger-sized hands. The trackball operates in less desk space than a mouse and promotes greater comfort during extended use by minimizing arm and wrist movement.

Windows and macOS Compatible

Effortlessly supports Windows 10 or later (32-bit/64-bit), Windows 11 (64-bit only), and macOS 14 or later.

3-Year Limited Warranty

Backed by Kensington's professional support and a 3-year limited warranty.