Microsoft Wireless Desktop 850, Keyboard and Mouse - Black

Reliable wireless connectionEnjoy the 2.4 -gigahertz ( GHz ) wireless technology , which delivers a reliable connection with up to a 15 foot range , with virtually no interference . Advanced Encryption Standard ( AES ) 128 -Bit EncryptionThis keyboard features Advanced Encryption Standard ( AES* ) technology , which is designed to help protect your information by encrypting your keystrokes . Each keyboard is permanently paired with its receiver at the factory-no key information is ever shared over the air . Windows shortcut keysQuickly access frequently used tools , like the calculator , zoom and audio controls by using shortcut keys . Designed for comfort - in either handSuperior comfort that's designed to fit your right or left hand . Microsoft optical technologyPrecise optical tracking technology provides highly responsive cursor control . Snap -in transceiverPlug the wireless receiver into your computer's USB port when you're ready to work . Then snap it into the bottom of your mouse when you travel , and the mouse will automatically turn off . Technical Specifications : Arabic Letters : YesMouse Tracking System : LED optical technologyImaging Rate : Dynamically adaptable to 3000 frames per secondX -Y Resolution : 1000 points per inch ( 39.4 points per millimeter ) Tracking Speed : Up to 20 inches ( 508 millimeters ) per second Wireless TechnologyWireless Frequency : 2.4 GHz frequency range Wireless Range 15 feet ( 5 meters ) typical . QWERTY Key Life : 5 , 000 , 000 actuations per keyEncryption Features : 128 -bit AES encryptionHot Key Features : Windows 8 Charms keys , Windows Start key , and CalculatorHot Key Life : 500 , 000 actuations per keyMedia Key Features : Mute , Volume - , Volume + , and Play/PauseMedia Key Life : 500 , 000 actuations per keyTyping Speed : 1000 characters per minuteMouse Button Features : 3 buttons including scroll wheel buttonMobility Features : Power switch turns mouse off , conserving battery lifeMouse On/Off Switch Life : 4 , 000 actuationsRight Left Button Life : 3 , 000 , 000 actuations at no more than 4 actuations per secondWheel Button Life : 250 , 000 actuations at no more than 4 actuations per secondMouse Scrolling Features : Standard vertical scrollingWheel Vertical Scrolling Life : 85 , 000 revolutions ( away from user ) 300 , 000 revolutions

TECHNICAL DETAILS