Amazon.com: Logitech C-U0007 Unifying Receiver for Mouse and Keyboard Works with Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) (C-U0007) : Electronics
Logitech USB Wireless Mouse & Keyboard Receiver C-BT44 P/N: 810-001147 | eBay
Genuine Logitech Replacement Lightspeed USB Receiver for Logitech G703
New Usb Receiver Wireless Dongle Receiver Usb Adapter For Logitech Mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse - Mouse Pads - AliExpress
Amazon.com: Logitech Unifying Receiver USB Dongle for Logitech M185 Wireless Mouse and Keyboard : Electronics
Amazon.com: Logitech USB 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 G603 LIGHTSPEED Wireless Gaming Mouse Bluetooth OR USB Receiver WITH USB ADAPTER (OPEN BOX) - Walmart.com