Logitech K400 Plus did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
Logitech K400 PLUS Wireless Touch Keyboard With Remote Touchpad 2.4Ghz Unifying Receiver Keypad For Android PC Laptop Smart TV - AliExpress
Logitech K400 Plus Wireless Keyboard With Touchpad Micro Unifying Receiver For Pc Laptop Android Smart Tv 84 Keys Keyboard - Keyboards - AliExpress
Logitech K400 Plus TKL Wireless Membrane Keyboard for PC/TV/Laptop/Tablet with Built-in Touchpad Black 920-007119 - Best Buy
Logitech K400 Black Wireless Keyboard with Built-In Touchpad & USB Receiver | eBay
Amazon.com: Logitech 920003051 K270 Wireless Keyboard, USB Unifying Receiver, Black : 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
Amazon.com: New Logitech Unifying USB Receiver for keyboard K230 K250 K270 K320 K340 K350 K750 K800 : Electronics
Logitech Wireless Touch Keyboard K400 Plus Review – Techgage
Logitech Unifying receiver - Wikipedia
Logitech K400 Wireless Touch Keyboard - Sam's Club
Logitech K400 Wireless Keyboard Touchpad with Receiver Tested Working 97855074928 | eBay
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech K400 Plus Touchpad Keyboard for TV connected PC
Logitech K400R Wireless Touch Keyboard Built-In Touchpad w USB Receiver 97855074928 | eBay
Logitech K400 Plus Wireless Touch Keyboard - 920007119
Amazon.com: Logitech USB Unifying Receiver, 2.4 GHz Wireless Technology, USB Plug Compatible with all Logitech Unifying Devices like Wireless Mouse and Keyboard, PC / Mac / Laptop - Black : Electronics
Logitech Wireless Touch Keyboard K400 Plus (Unboxing) - YouTube
Short review: Logitech K400r vs Plexgear Mediatrack Ergo - Erik Moberg's personal homepage - photography, gadgets, DIY, and more
Logitech K400 Plus Wireless Touch TV Keyboard With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black - Newegg.com