Amazon.com: CM Ultra Thin Silicone Soft Keyboard Cover Skin Compatible with Logitech Wireless Touch Keyboard K400 Plus (Not for Old Version K400 & K400r) (Black) : Electronics
Review of the Logitech K400r Wireless Keyboard Mouse | VIDEO OVERVIEW - YouTube
Logitech K400r Review - YouTube
Logitech K400 Plus Review - RTINGS.com
Logitech K400R Wireless Touch Keyboard with Touchpad (NO RECEIVER) (FRENCH CHARACTERS)