Lenovo Wireless Mouse N3901A (57Y6573) is a five-button wireless optical mouse with a nano dongle. Making you to enjoy the free control without the disordered cables and it's no need to remove the dongle when moving the system. And the operation range is above 10 meters in order to maximize your freedom. It takes optical sensor which provides smooth, precise tracking. All of these advantages are powered only by 1AA batteries and the life of the battery is about over 3 months.

Provide Back key and shift key for the convenience of IE & files convert.

Lenovo Wireless Mouse N3901A provides 2.4 GHz wireless technology and 1000 dpi optical sensor which provides smooth and precise tracking.

Benefits include:

• Wireless mice, super portable
• Provide Back key and shift key for the convenience of IE and files convert.
• Mini dongle fitting in the mouse battery store for ease in travel
• Easy tracking on carpet,wood and some other difficult surfaces
• On/off switch for saving energy
• Nano USB dongle
• 3 months battery life

** Battery life varies due to many factors. The data results from laboratory test.

Physical specifications:

Mouse unit:

• Approximate height: 100mm 3.94 inch
• Approximate width: 55.mm 2.16 inch
• Approximate length 35mm 1.31inch
• Approximate weight: 56.00g (without battery) 0.123 lb

Dongle unit:

• Approximate height: 4.50 mm 0.18 inch
• Approximate width: 13.60mm 0.53 inch
• Approximate length 19.20 mm 0.75 inch
• Approximate weight: 2.0g 0.004 lb

Electrical Specifications:

• 2AAA batteries Vcc=2.5~3V(mouse) Vcc=5V(dongle)

Operation Environment:

• Temperature:0°C - 40°C
• Humidity: <95% RH

1 Year - Customer Replaceable Unit (CRU)

• Announce date: 5 Jul 2011 (Worldwide)
• Availability date: 5 Jul 2011 (Worldwide)

• FCC
• IC
• CE R&TTE
• SRMC
• UL
• TUV/GS

• Microsoft Windows XP
• Microsoft Windows Vista
• Microsoft Windows 7

• Mouse
• Dongle
• 2AAA Batteries (LA area have no batteries)
• WW Manual
• WW Warranty card