SOLVED: USB for wireless Logitech keyboard lost. - Logitech Harmony Smart Keyboard - iFixit
Logitech MK330 Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz Wireless with USB-Receiver, Portable Mouse, Multimedia Keys, Long Battery Life for PC/Laptop, QWERTY UK Layout, Black - DigiDirect -
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