Amazon.com: UpBright New 5FT AUX in Audio Line in Cable to 2RCA Cord for Logitech 880-000451 S-00144 980-000910 Bluetooth Audio Adapter WRLS SPKR Adapter BT (1/8" / 3.5mm Male to RCA Red/White
Logitech Wireless Speaker Adapter For Bluetooth S-00113
Review & How-To: Logitech Bluetooth Speaker Adapter for Audio Devices - YouTube