Logi Bolt USB Receiver for Multi-Computer / Device Use
Wireless Dongle Receiver Unifying USB Adapter for logitech Mouse Keyboard Connect 6 Device for MX M905 M950 M505 M510 M525 Etc - AliExpress
Logitech Bluetooth Wireless Speaker Adapter S-00113 Receiver ONLY NO POWER CORD | eBay
Zone Wireless Audio Receiver
Amazon.com: Logitech Bluetooth Audio Adapter for Bluetooth Streaming : Electronics
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Bluetooth Audio Adapter Review: An affordable unit with great connectivity
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
Amazon.com: USB Dongle Mouse Receiver Adapter for Logitech G Pro Wireless Mouse Laptop Desktop to Bluetooth Keyboard Mouse Game Controller : Electronics
Logitech accessory - bluetooth compatible audio receiver, black 980-000912 | Pepita.com