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 With Touchpad For Pc Laptop Android Smart Tv Htpc Household 84key Gaming Keyboard - Keyboards - AliExpress
LOGITECH K400+: Wireless keyboard, USB, black, touch pad at reichelt elektronik
User manual Logitech K400 Plus (English - 2 pages)
Amazon.com: Logitech Wireless Touch Keyboard K400 Plus Keyboard with 3.5-inch Multi-touch Touchpad, Quiet Keys, Wireless Keyboard up to 33 ft. Plug-and-Play (Renewed) : Electronics
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