Logitech K400 Plus Wireless Touch Keyboard - Newegg.com
Logitech K400 Plus TKL Wireless Membrane Keyboard for PC/TV/Laptop/Tablet with Built-in Touchpad Black 920-007119 - Best Buy
Logitech K400 vs K400 Plus Media Keyboard - YouTube
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
Logitech K400 Plus Wireless Touch Keyboard 2.4Ghz Unifying Receiver with Touchpad Notebook Touch for PC Laptop Android Smart TV| | - AliExpress