Use the software center to install Solaar - It supports the unifying software and allows me to see the M10v2 Mouse and K350 keyboard.
Logitech Mouse and Keyboard Software
You need to install this software on your Mac to get it working properly.
Refer: https://support.logitech.com/en_us/product/wireless-mouse-m510/downloads
Logitech Options
Logitech Control Center
Logitech Unifying Software