Microsoft Wireless Desktop 3000 Combo

Specification:
Product Dimensions:
Keyboard Length: 18.4 inches
Keyboard Width: 7.83 inches
Keyboard Depth/Height: 1.75 inches
Mouse Length: 4.59 inches
Mouse Width: 2.77 inches
Mouse Depth/Height: 1.66 inches
Transceiver Length: 1.83 inches
Transceiver Width: 0.62 inches
Transceiver Depth/Height: 0.31 inches

Compatibility:
Interface: USB Compatible

Operating Systems:
Microsoft Windows® 8.1, Windows 8, Windows RT 8.1, Windows RT 8, and Windows 7
Mac OS X v10.7-10.9
Android 3.2 and 4.2

Wireless Technology:
Wireless Platform: Proprietary 2.4 GHz
Wireless Channels: 2.4 GHz frequency range

Power Requirements:
Battery Type and Quantity:
Keyboard: 2 AA alkaline batteries (included)
Mouse: 2 AA alkaline batteries (included)
Battery Life:
Keyboard: 15 months typical
Mouse: 8 months typical

Product Feature Performance:
QWERTY Key Life: 20,000,000 actuations per key
Hot Key Life: 500,000 actuations per key
Media Key Features: Mute, Volume -, Volume +, Play/Pause, Stop, Previous Track, and Next Track
Media Key Life: 500,000 actuations per key
Zoom Slider Key Life: 500,000 actuations per key
Enhanced Function Key Features: Help, Undo, Redo, New, Open, Close, Reply, Forward, Send, Spell, Save, and Print
Typing Speed: 1000 characters per minute
Mouse Button Features: 5 buttons including scroll wheel button
Right & Left Main Button Life: 3,000,000 actuations
Wheel Button Life: 350,000 actuations
Side Button Life: 100,000 actuations
Mouse Scrolling Features: Tilt wheel enables horizontal and vertical scrolling

Wheel Vertical Scrolling Life:
100,000 revolutions (away from user) at no more than 60 rotations per minute
300,000 revolutions (toward user) at no more than 60 rotations per minute