Wireless Dongle Receiver Unifying USB Adapter for Logitech PC Mouse Keyboart2 | eBay
Wireless Dongle Receiver Unifying Usb Adapter For Logitech Mouse Keyboard Connect 6 Device For Mx M905 M510 Keyboard K400 - Wireless Adapter - AliExpress
Amazon.com: Logitech K380 Multi-Device Bluetooth Keyboard (Dark Gray) Bundle with Knox Gear USB Bluetooth 4.0 Dongle Adapter (2 Items) : Electronics
Arkon TAB086-12 Logitech K400 Adapter by m3gad37h | Download free STL model | Printables.com
Amazon.com: Logitech K380 Multi-Device Bluetooth Keyboard Bundle with USB 3.0 Hub and Dongle Adapter (3 Items) : Electronics
Amazon.com: Logitech 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 did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
6 Channel Wireless Dongle Receiver USB Adapter For Logitech Mouse Keyboard K400 | eBay
Genuine Logitech Unifying Mirco Dongle Receiver USB For keyboard K400r K400plus | eBay