[Prime] Asus TUF Gaming M3 Gen II Wired Gaming Mouse $13.37 Delivered @ Amazon AU

The next cheapest option is dicksmith online for $21.55.

About the item
-Ultralight, ergonomic design: Weighs just 59 grams, with a shell specially crafted for right-handed gamers
-8000 dpi optical sensor: Delivers pixel-precise tracking, with a DPI button to switch between four sensitivity levels on the fly
-IP56 dust and water resistance: Protective coating ensures long-lasting durability
-ASUS Antibacterial Guard: Inhibits bacterial growth to keep the surface and buttons of the mouse sanitary
-Complete control: PTFE mouse feet ensure swift and smooth glides
-Customizable settings: Full flexibility with six tactile, programmable buttons and three onboard memory profiles
-Easy configuration: Armoury Crate software allows for intuitive configuration and infinite illumination possibilities

Also available:

SteelSeries Rival 3 Wired 6-Button 77g Gaming Mouse - Prism 3-Zone RGB Illumination - 8,500 CPI TrueMove Core Optical Sensor - $35.18
https://www.amazon.com.au/SteelSeries-Rival-Wired-Gaming-625…
The next cheapest option for this mouse appears to be from mwave and Scorptec for $63.00.