Wireless without worry ; Tired of tiny on-screen keyboards? The value-priced Wireless Keyboard 850 is just right It actually helps protect your information with Advanced Encryption Standard (AES) which encrypts your keystrokes so you can go wireless while staying secure Each keyboard is permanently paired with its receiver at the factory so nothing is ever shared over the air Combine that with an average battery life of two years & you&ve got a wireless keyboard that&s perfect for using with your Bluetooth-enabled tablet laptop PC or phone