... inaccurate trackpads? The value-priced Wireless Desktop 850 is just right. The keyboard actually helps protect your information with Advanced Encryption Standard (AES), which encrypts your keystrokes so you can go wireless while staying secure. Don't need the keyboard? Just pop the tiny transceiver into the bottom of the mouse and take it with you. It's perfect for increasing your productivity on your Bluetooth-enabled tablet, laptop, PC, or phone.Extra InfoColour: BlackInterface(s): 1 x USB 2.0