Rapoo Wireless Optical Mini Mouse 3300P - Black

Plug-and-forget NANO receiver

So small and unobtrusive, you can plug it into a USB port and forget about it, and you can say goodbye to worry about lost receivers.
Up to 6-month battery life

With Rapoo's latest energy saving technology and power switch, you can use your mouse without power interruption for up to 6 months.
Reliable 5GHz wireless connection

Reliable 5GHz wireless transmission results in less interference from other wireless, Bluetooth and Wi-Fi devices.
System Requirements

Windows® XP/Vista/7, Windows® 8
Size:

48mm * 73mm