Technical Specifications
Button Count:
Operating Frequency:
Resolution:
Receiver Interface:
Operating Voltage:
Operating Current:
Dimensions:
Weight:
Button life :
Package Contents
1 x WM389 Cordless Mouse
1 x USB Nano Receiver
1 x User Manual
1 x Warranty Card
System Requirements
To use this mouse, your computer must meet the following hardware requirements and run one
of the operating systems listed below.
Hardware
• PC with a Pentium processor or equivalent AMD processors
• USB 2.0
Operation System
Windows XP/VISTA/Windows7/Windows8/WIN10
Note: The scroll wheel only works under the operating systems listed above. If you use the mouse
under a different operating system, the mouse may either not work or lose its enhanced features.
Instructions
Battery Installation
The WM389 optical mouse uses one AA batteries (not included).
1. Open the battery cover. Insert the batteries into the compartment, ensuring they correspond
with the polarity markings.
2. Close the battery cover. Switch on the WM389 by adjusting the power switch underneath the
mouse. Switch to the left, LED indicator would turn off, switch to the right, LED indicator would
turn on. The blue LED of the power indicator at the top of the mouse will flash.
8buttons
2.4GHz
800/1200(default)/1600/2400/3200/4800DPI
USB version1.1
1.5V
≤15mA
126 x 70 x 39mm
81g
50 million times
2