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
Logitech Wireless Touch Keyboard K400 Plus Review – Techgage
Logitech Wireless Touch Keyboard K400 Plus Review – Techgage
Logitech K400 Wireless Keyboard (NO RECEIVER)(NO BATTERY COVER)
Unboxing & Review: Logitech Wireless Touch Keyboard K400 Plus
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