1: The USB connects directly to the USB interface of the computer when the sound card is used, the blue light flashes, turns on the Bluetooth headset or the Bluetooth speaker, enters the pairing status, the Bluetooth transmitter automatically searches for the connection, and the blue light will remain on after the connection is correct.
eBay
2 In 1 Bluetooth Audio Receiver Transmitter 3.5mm AUX Jack RCA USB Dongle Music Stereo Wireless Adapter For Car TV PC Headphone
Aliexpress UK
High-quality Lightning to 3.5 mm headphone adapter designed for all iPhone models without an audio jack. This adapter allows you to connect any standard 3.5 mm earphones or AUX audio cable to your iPhone easily.
eBay
Bluetooth 5.0 Receiver Transmitter 3.5mm Aux Jack Stereo Handsfree Audio Music Wireless Adapter With Mic For Car PC TV Headphone
Aliexpress UK
Bluetooth 5.0 receiver Bluetooth auxiliary audio for 3.5 mm jack headphone adapter. Wireless type: Bluetooth. 1 Bluetooth receiver. All pictures are for illustration purpose only and Colours may vary slightly.
eBay
Upgraded Bluetooth 5.3 Audio Transmitter Receiver RCA 3.5mm AUX Jack USB Dongle Music Wireless Adapter For Car PC TV Headphones
Aliexpress UK
About Anker. At Anker we take a different approach to the market. The integrated headband evenly distributes pressure for comfortable, extended wear. Discover the perfect balance of style and comfort with our noise cancelling headphones.
eBay
Bluetooth 5.0 Audio Transmitter Receiver 3.5mm AUX Jack RCA USB Dongle Stereo Wireless Adapter for TV Car Kit Speaker Headphone
Aliexpress UK
Wireless type: Bluetooth. 1 Bluetooth receiver. All pictures are for illustration purpose only and Colours may vary slightly. Content: Audio. WIFI standard: No Support AAC: No. High definition support: none.
eBay
Bluetooth 5.0 Audio Receiver 3D Stereo Music Wireless Adapter TF Card RCA 3.5mm 3.5 AUX Jack For Car Speaker Amplifier Headphone
Aliexpress UK
Input interface: AUX. Turn on the Bluetooth earphones and adjust to Bluetooth pairing mode;. If pairing fails, you can turn off the power and then restart the Bluetooth adapter and Bluetooth earphones/.
eBay
Bluetooth 5.0 Audio Transmitter Receiver 3.5mm AUX Jack RCA USB Dongle Stereo Wireless Adapter for TV Car PC Speaker Headphone
Aliexpress UK
Wireless type: Bluetooth. 1 Bluetooth receiver. All pictures are for illustration purpose only and Colours may vary slightly. Content: Audio. WIFI standard: No Support AAC: No. High definition support: none.
eBay
B6 2 IN 1 Bluetooth 5.3 Audio Transmitter Receiver 3.5mm AUX Jack RCA USB Dongle Music Wireless Adapter For Car PC TV Headphone
Aliexpress UK
1: The USB connects directly to the USB interface of the computer when the sound card is used, the blue light flashes, turns on the Bluetooth headset or the Bluetooth speaker, enters the pairing status, the Bluetooth transmitter automatically searches for the connection, and the blue light will remain on after the connection is correct.
eBay
C28 Wireless Adapter 2 In 1 Bluetooth 5.0 Receiver Transmitter 3.5Mm Jack For Car Music Audio Receiver Aux Headphone Handsfree
Aliexpress UK