Amazon.com: Logitech Wireless Speaker Adapter for Bluetooth Audio Devices : Electronics
Logitech Bluetooth Audio Receiver for Wireless Streaming
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USB Bluetooth Adapter for PC, 5.0 Bluetooth Dongle Receiver Support Windows 10/8.1/8/7/XP for Desktop, Laptop, Mouse, Keyboard, Printers, Headsets, Speakers, PS4/ Xbox Controllers - Walmart.com
Plugable USB 2.0 Bluetooth® Adapter – Plugable Technologies
Amazon.com: Logitech Bluetooth Audio Adapter for Bluetooth Streaming
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Amazon.com: Logitech Bluetooth Audio Adapter for Bluetooth Streaming
Plugable USB 2.0 Bluetooth® Adapter – Plugable Technologies
Logitech K480 Multi-Device Bluetooth Wireless Keyboard
Teardown: Bluetooth audio dongle keeps it simple - EDN