Logitech K830 and TK820 - Interacting with HTPCs: Logitech and Perixx Options Reviewed
Logitech TK820 Wireless Keyboard - YouTube
No need for a mouse--this space-saving wireless PC keyboard has an integrated touchpad. Learn more now. | Logitech, Keyboard with touchpad, Logitech wireless
Logitech TK820 Wireless All-In-One Keyboard-Built-In Touchpad, Includes Receiver - Walmart.com
New Wireless Keyboard with Built-in Touchpad Streamlines Navigation | logi BLOG
Logitech Wireless All-in-One Keyboard TK820 has large built-in touchpad - Tech Digest
YR0039 2.4GHz Cordless Keyboard User Manual Logitech Far East