Harvey Norman - Logitech M185 Wireless Mouse 2 for $18

$18 each or 2 for $19. Grab a spare!

Key Features:
A 2.4GHz wireless connection for the Logitech wireless mouse is provided by a discrete USB receiver, reliably providing a steady signal without dropouts or excessive lag.
The wireless receiver that comes with this M185 Wireless Mouse works with a range of Windows, Mac, Chrome OS, or Linux-based computers.
An On/Off Switch on the mouse itself, along with the smart sleep mode helps you converse the battery life which can last for up to 12 months on a single AA battery.