Turn the Bluetooth player, search for ID BT Dongle than match. Turn on the audio device, the blue LED of the dongle shall be flashing. 2x USB
Stereo Wireless Dongle USB Transmitter Sound Card 3 In 1 Bluetooth
3 in 1 USB Bluetooth 5.0 Audio Transmitter/Receiver Adapter For TV
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【Bluetooth 5.0 Transmitter Receiver】The 2-in-1 Bluetooth adapter can receive Bluetooth signals within 10m, and can also convert non-Bluetooth devices
LOFICOPER Bluetooth 5.0 Transmitter Receiver for Car, 2 in 1 Aux Bluetooth Adapter for Car, Wireless Bluetooth Music Receiver for Car Stereo System
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