Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Wireless USB Nano PC Receiver CU0010 Dongle C-11077 Adapter Non- Unifying 993-001106 - Walmart.com
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
LOGI USB-C to A Adaptor - Logitech Accessories
C-U0007/U0008 Unifying USB Receiver For Logitech M215/505/705/905 K340/350 M345 | eBay