Logitech K400 Plus did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
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
Wireless Usb Receiver Dongle 6 Channels Adapter For Logitech Unifying Keyboard K400/mouse Mx M905 M510 Repair Replacement - Instrument Parts & Accessories - AliExpress
For Logitech K800 K750 K710 K700 K520 K400 K360 Unifying USB Dongle/Receiver | Shopee Philippines
Amazon.com: Logitech USB Unifying Receiver - 2 Pack : Electronics
Genuine Logitech USB Dongle Extender for Unifying Receiver | eBay
Logitech Wireless Touch Keyboard K400 Plus (Unboxing) - YouTube
Original 3mm Unifying Receiver For Wireless Mouse And Keyboardconnect Up To Six Devices - Buy 3mm Logitech Unifying Receiver,Mini Receiver Product on Alibaba.com
LUN Wireless Dongle Receiver USB Adapter for logitech Mouse Keyboard M905 M950 M505 | Shopee Brasil
Logitech USB Unifying Receiver Dongle for Mouse & Keyboard 910-005235 (5 Pack) - Walmart.com
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 K400 Plus Black Wireless Touch Keyboard | Peripherals | Computers and Gadgets | Abenson.com
Original Logitech Keyboard K400r K400plus Unifying Mirco Dongle Receiver USB | eBay
Logitech K400 Plus did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
Logitech K400 Plus Touchpad Keyboard for TV connected PC
Genuine Logitech Unifying Mirco Dongle Receiver USB For keyboard K400r K400plus | eBay
Logitech keyboards and mice vulnerable to extensive cyber attacks | heise online
Logitech K400 Plus 2.4g Wireless Keyboard Gaming Laptop Pc Gamer Originaltouchpad Mini Unifying Receiver - Buy Instrumental Keyboard,Logitech K400plus Keyboard,Foldable Keyboard Product on Alibaba.com
Updating Logitech Hardware on Linux – Technical Blog of Richard Hughes