Features

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General
Model Name M220 Silent  B170  WM126  WM118
System Requirements Windows RT, Windows 7, Windows 8, Windows 10 or Later, MaView More... windows xp, windows7, windows10  Windows:, XP, Vista, 7.8  Windows XP, Windows Vista, Free-DOS, Windows Server 2012, View More...
Sales Package Mouse, Nano Receiver, 1 AA Battery (Pre-installed), User View More... 1 mouse  1 mouse, 1 usb  1 Mouse, USB Receiver
Color Grey  Black  Black  Black
Controls 3 
Part Number 910-004885 
Compatible Devices Laptop, PC  USB 
Resolution 1000 DPI  1000
Technology Used Sensor Technology: Logitech Advanced Optical Tracking 
Connectivity and Power Features
Bluetooth No  No  No  No
Power Source Battery 
USB Type 2.0 
Number of Batteries 1  1  1
Battery Type AA Battery  AA+  AA
Effective Range 10 m  20 m  10 m
Battery Life 18 Months  8760
Other Features Buttons: 3 (Left, Right, Wheel)
Wireless Frequency 2.4 GHz  2.4 ghz GHz 
Surface Tracking Yes
Dimensions
Width 60 mm  9.9 mm  6.3 cm
Height 99 mm  6.1 mm  3.44 cm
Depth 39 mm  3.6 mm 
Weight 75.2 g  82 g
Other Dimensions Nano Receiver Dimension (H x W x D): 14.4 x 18.7 x 6.1 mmView More... 17.3 x 15.2 x 9.7 cm 
Warranty
Domestic Warranty 1 Year  1 Year
Warranty Summary 3 Years Limited Hardware Warranty  1 Year Warranty  1-year Limited Hardware Warranty
Warranty Service Type Limited 
Covered in Warranty MANUFACTURING DEFECTS 
Not Covered in Warranty Physical Damage