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

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

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

• Lenovo Mini Optical Mouse M20A
• Limited Warranty Manual

• CE
• FCC
• CUL/UL
• TUV/GS
• BSMI