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
Amazon.com: Logitech USB Unifying Receiver - 2 Pack For Personal Computer : 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 MX M905 M510 Keyboard K400 Wireless Receivers Dropshipping New - AliExpress
Logitech K400 Plus did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
Wireless 2.4G Receiver Computer Keyboard and Mouse Transmitter USB 6 Channel Receiver Dongle Mouse Adapter for Logitech - Walmart.com
Genuine Logitech Unifying Mirco Dongle Receiver USB For keyboard K400r K400plus | eBay
Pack of 2 Logitech Wireless Unifying USB Receiver Dongle for Keyboard & Mice | eBay
Logitech K400 Plus Review - RTINGS.com
Wireless Dongle Receiver Unifying Usb Adapter For Logitech Mouse Keyboard Connect 6 Device For Mx M905 M950 M505 M510 M525 Etc - Mice & Keyboards Accessories - AliExpress
Logitech K400 Plus Wireless Touch Keyboard | Dell USA
Logitech Wireless Touch Keyboard K400 with Built-In Multi-Touch Touchpad, Black - Walmart.com
Wireless Dongle Receiver Unifying USB Adapter for logitech Mouse Keyboard Connect 6 Device for MX M905 M510 Keyboard K400 - AliExpress
Logitech K400 Plus Touchpad Keyboard for TV connected PC
Logitech K400 Usb Unifying Receiver - Wireless Dongle Receiver Usb Adapter 6 M905 - Aliexpress