Why won't some Bluetooth keyboards pair in Windows 8.1? - Super User
Amazon.co.uk:Customer reviews: Logitech K810 Illuminated Wireless Keyboard, Wireless Bluetooth, Multi-Device, Laser-Etched Backlit Keys, USB Rechargeable, Compact, PC/Mac/Laptop/Smartphone/iPad/Tablet, QWERTY UK Layout - Black
Logitech K810 Bluetooth Illuminated Keyboard - Walmart.com
Logitech K810 Bluetooth Illuminated Keyboard - Walmart.com
Logitech K810 WIreless Keyboard Driver Update
Amazon.com: Logitech K830 Illuminated Living-Room Keyboard with Built-in Touchpad – Easy-access Media Keys and Shortcut Keys for Windows or Android : Electronics
Logitech K810 keyboard and 9/9/14 firmware update | Microsoft Surface Forums