Amazon.com: Logitech Wireless Touch Keyboard K400 Plus with Built-In Touchpad for Internet-Connected TVs (Renewed) : Electronics
Logitech Wireless Touch Keyboard K400 Plus Review – Techgage
Quick Logitech K400 Plus Review: a compact HTPC keyboard | SHB
Logitech K400 Plus TKL Wireless Membrane Keyboard for PC/TV/Laptop/Tablet with Built-in Touchpad Black 920-007119 - Best Buy
Amazon.com: Logitech K400 Plus Wireless Touch With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black : Electronics