The Specs

Additional Specifications
Green Compliance RoHS|WEEE
Included Devices Laser
Keyboard Power Source AA
Batteries Required (Keyboard) 1
Color Gray|Blue Keyboard
Quick Glance
Tracking Type Laser
Device Type Trackball
Interface Connection USB
Wireless Radio Frequency
Warranty
Warranty Information 3 Year Limited
More Info
URL http://www.logitech.com
Connectivity
Interface Connection USB
Wireless Radio Frequency
Mouse Attributes
Tracking Type Laser
Device Type Trackball
Mouse Power Source AA
General Features Scroll Wheel

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