Adesso iMouse T40 - Wireless Programmable Ergonomic Trackball Mouse. Optical - Wireless - Radio Frequency - 2.40 GHz - No - Black - USB - 4800 dpi - Trackball, Scroll Wheel - 7 Button(s) - Symmetrical - ONLINE ONLY SIZE:Standard * TrueMove Core Sensor: Introducing

* TrueMove Core Sensor: Introducing the TrueMove Core

You'll hear 3D surround sound that follows the movement on screen using our incredible virtual top channel audio

A12 Bionic chip with Neural Engine

The display on the 16-inch MacBook Pro has rounded corners at the top

Adesso iMouse T40 - Wireless Programmable Ergonomic Trackball Mouse. Optical - Wireless - Radio Frequency - 2.40 GHz - No - Black - USB - 4800 dpi - Trackball, Scroll Wheel - 7 Button(s) - Symmetrical - ONLINE ONLY SIZE:Standard * TrueMove Core Sensor: Introducing*ONLINE ONLY Allow extra time for delivery. Ship to store FREE! During checkout select ''Store Pick up'' as your delivery option.* Adesso iMouse T40 Wireless Programmable Ergonomic Trackball Mouse. Optical Wireless Radio Frequency 2. 40 GHz No Black USB 4800 dpi Trackball, Scroll Wheel 7 Button(s) Symmetrical. Meet one of the newest models of the Adesso trackball product line, the Adesso iMouse T40. It incorporates the claw grip design where each user