The Trackens Kensington mouse will ensure easy, fast and reliable operation. Thanks to the possibility of connection via Bluetooth, you will save an extra port for USB. Use the software to set the function of all 4 buttons and the sensitivity of the cursor. DiamondEye technology uses optical tracking for precise control of the Kensington mouse . The wheel around the cursor allows you to easily scroll through the pages. In addition, the ergonomic design helps to grip the mouse better.