Logi Bolt USB Receiver for Multi-Computer / Device Use
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
Genuine Logitech Unifying Mirco Dongle Receiver USB for Keyboard K400rK400plus | eBay
Usb Receiver Wireless Dongle Adapter for Logitech G PRO G903 G403 Mouse Adapter - Walmart.com
C-U0007 Unifying NANO USB Receiver Dongle For Logitech M215/505/705/905 K340/350 | eBay
Logitech Unifying Receiver for Connecting Multiple Devices