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Protecting Your 
Digital Assets

Protecting Your 
Digital Assets

CRU

®

 Mouse Jiggler

 MJ-3

Quick Start Guide

Thank you for purchasing CRU’s Mouse Jiggler MJ-3. The Mouse Jiggler 
MJ-3 prevents your computer from sleeping while you work or play, and is 
ideal for repetitive IT or gaming tasks. You can create customized scripts 
with programmed mouse movement, mouse clicks, and keystrokes. The size 
of the MJ-3 keeps it out of the way and is unobtrusive when installed.

Features 

•  Overrides your computer’s sleep mode settings

•  Plugs into standard USB ports

•  Work while Mouse Jiggler MJ-3 operates in the background

•  Customize your settings with our Mouse Jiggler software available 

on 

www.cru-inc.com/mj3

Wiebetech Branding

2c85m76y
PMS 711C

66c7m7y

PMS 299C

Product Name:

Univers 73 Black Extended

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Product Model

Mouse Jiggler MJ-3

Data Connectors

One (1) USB 2.0 Type A connector

Operating System 
Requirements

•  Windows 8, 8.1, 7, and Vista
•  Windows Server 2012, 2008, and 2003 product families
•  Mac OS X 10.4.x or higher
•  Linux distributions that support the connection type used    

Compliance

EMI Standard: FCC Part 15 Class B, CE
EMC Standard: EN55022, EN55024

Shipping Weight

0.022 pounds

Product Dimensions

0.83” x 0.57” x 0.27” (21.06mm x 14.5mm x 6.75mm)

Technical Support

Your investment in CRU products is backed up by our free technical 
support for the lifetime of the product. Contact us through our website, 

cru-inc.com/support

 or call us at 1-800-260-9800 or +1-360-816-1800. 

©2014 CRU Acquisition Group LLC, ALL RIGHTS RESERVED. Mouse Jiggler

 and CRU

®

  are trademarks of CRU Acquisi-

tion Group, LLC and are protected by trademark law.

Product Warranty

 

CRU warrants this product to be free of signifi cant defects in material and workmanship for a period of two years from the 
original date of purchase. CRU’s warranty is nontransferable and is limited to the original purchaser.

Limitation of Liability 

The warranties set forth in this agreement replace all other warranties. CRU expressly disclaims all other warranties, 
including but not limited to, the implied warranties of merchantability and fi tness for a particular purpose and non-
infringement of third-party rights with respect to the documentation and hardware. No CRU dealer, agent, or employee is 
authorized to make any modifi cation, extension, or addition to this warranty. In no event will CRU or its suppliers be liable 
for any costs of procurement of substitute products or services, lost profi ts, loss of information or data, computer malfunc-
tion, or any other special, indirect, consequential, or incidental damages arising in any way out of the sale of, use of, or 
inability to use any CRU product or service, even if CRU has been advised of the possibility of such damages. In no case 
shall CRU’s liability exceed the actual money paid for the products at issue. CRU reserves the right to make modifi cations 
and additions to this product without notice or taking on additional liability.

FCC Compliance Statement:

 “This device complies with Part 15 of the FCC rules. Operation is subject to the follow-

ing two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference 
received, including interference that may cause undesired operation.” 

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of 
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equip-
ment is operated in a home or commercial environment. This equipment generates, uses, and can radiate radio frequency 
energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio 
communications.

In the event that you experience Radio Frequency Interference, you should take the following steps to resolve the problem: 
1) 

Ensure that the case of your attached drive is grounded. 

2) 

Use a data cable with RFI reducing ferrites on each end. 

3) 

Use a power supply with an RFI reducing ferrite approximately 5 inches from the DC plug.

4) 

Reorient or relocate the receiving antenna. 

A9-000-0019-3 Rev. 2.3

FOR HOME OR OFFICE USE

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