This onn. mouse isn't advertised to use any additional software, the USB dongle is stored under the device if you can't find it. Below is the onn mouse software that may be of use for the extra buttons.
Basic Specs:
- 5-buttons
- Adjustable DPI from 600 to 3600
- Vertical design with thumb rest
- PC and Mac compatible
- USB nano receiver
- Receiver is stored in battery compartment
- Anti-slip rubber grips