MX Ergo gives you two choices of wireless connection:
Bluetooth
Unifying receiver
You will need to download and install the latest version of Logitech Options. If you don’t
already have the software, you can download it from this product’s Download page.
To connect with Bluetooth:
1. Open Logitech Options.
2. Click Add devices.
3. Make sure your trackball is turned on by sliding the button on the bottom to the right.