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Lenovo Mini Optical Mouse M20A - Overview

Lenovo Mini Optical Mouse M20A (55Y2090)

Features and specifications

The Lenovo Mini Optical Mouse M20A (55Y2090) utilizes optical tracking technology for precision control.

  • 1000 dpi resolution
  • Compact travel size for ultimate portability without sacrificing comfort or control;
    • Designed for notebook system users
  • No mousepad required: works on many types of surfaces
  • No mechanical ball to get dusty, dirty, or lost
  • Ambidextrous design for both right and left-handed usage

Electrical specifications:

  • 5V, 100mA

Physical specifications:

  • Approximate weight: 73 g (0.16 lb)
  • Approximate height: 34 mm (1.4 in)
  • Approximate depth: 94mm (3.7 in)
  • Approximate width: 50 mm (2.0 in)

Operating environment:

  • Temperature: 15C to 35C (27F to 127F)
  • Relative humidity: 50% to 95%RH


1 year - Customer Replacement (CRU)

  • Announce date: 08 Sep 2009 (Europe/Middle East/Africa)
  • Availability date: 08 Sep 2009 (Europe/Middle East/Africa)
  • Effective withdrawal date: December 2010

Hardware compatibility

Supported on notebook and desktop systems with an available USB port.

Software requirements
  • Microsoft Windows 2000
  • Microsoft Windows XP SP2
  • Microsoft Windows Vista
  • Microsoft Windows 7

  • Lenovo Mini Optical Mouse M20A
  • Limited Warranty Manual

Agency approvals
  • CE
  • FCC
  • CUL/UL
  • TUV/GS
  • BSMI

Additional product information
Service parts - Parts listing for your product
Lenovo Support: Mouse - Reference Guide list - A list of other Lenovo and ThinkPad mice
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
Document ID : PD005462
Legacy Document ID : MIGR-73261
Last Updated :
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