Beyond repair. [in fairness, i do hope you understand. or does not fully work with your item. or does not do what you thought/ wanted it to do. or realising it does not do what you want it to do. ].
eBay
USB Bluetooth 5.4 5.3 Dongle Adapter for PC Speaker Wireless Mouse Keyboard Music Audio Receiver
Aliexpress UK
Enhance your computing experience with the MPOW Bluetooth 5.0 USB Dongle Adapter. This versatile adapter is designed to seamlessly connect your audio receivers, PCs and other devices to the internet. With its Bluetooth v5.0 standard, it ensures fast and stable connectivity for all your devices. The package includes one receiver, which is easy to instal and use. Its sleek black colour and compact size of 12.7 x 7.62 x 1.27 cm make it a stylish addition to your workstation. Made in China, this adapter is a reliable solution for your home networking and connectivity needs.
eBay
USB Bluetooth 5.4 Adapter Wireless 5.3 Dongle for PC Speaker Wireless Mouse Keyboard Music Audio
Aliexpress UK
Connect the bluetooth receiver to the car's USB interface, and you can talk and listen to music through the bluetooth connection. Wired speaker Bluetooth playback allows ordinary speakers to upgrade Bluetooth speakers using adapters to receive high-definition without lag.
eBay
Bluetooth Transmitter 5.0 EDR Audio Adapter For TV PC Headphones 3.5MM Jack AUX USB Stereo Music
Aliexpress UK
Ultra-compact design for easy portability. Featuring the latest Bluetooth 5.3 technology, this adapter ensures enhanced range, stronger signal stability, and improved security. It’s also backwards compatible with older Bluetooth versions (v1.1 to v4.0), making it a versatile addition to any setup.
eBay
USB Bluetooth 5.4 Audio Transmitter Receiver MIC Wireless Adapter 3.5mm AUX/RCA for TV PC Headphone
Aliexpress UK
1x Mini USB Wireless Bluetooth Adapter Dongle. -Connecting a mini USB Bluetooth adapter to your PC enables wireless communication with any Bluetooth-enabled devices. As it is smaller, you can use it in your computer's port with ease.
eBay
USB Bluetooth 5.4 Audio Transmitter Receiver MIC Wireless Adapter 3.5mm AUX/RCA for TV PC Headphone
Aliexpress UK
Bluetooth Adapter for Wireless Mouse/Keyborard/Headphone/Stereo. BLUETOOTH 5.4. Bluetooth Standard. Compatible Bluetooth v5.4. drive free for Win8.1/10/11 system. Support vehicle-mounted. No support. Mainland China.
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USB Bluetooth 5.3 Adapter for PC Speaker Wireless Mouse Keyboard Music Audio Receiver Transmitter
Aliexpress UK
1 5.0 Bluetooth receiver transmitter. Function: three in one audio receiver transmitter. Insert one end of the 3.5MM audio cable into the AUX connector of the adapter, and the other end into the audio output hole of the TV, projector, tablet, MP3, CD player and other devices or the RCA audio signal output hole of the TV;.
eBay
150m USB Bluetooth 5.3 Adapter for PC Speaker Wireless Mouse Keyboard Music Audio Receiver
Aliexpress UK
The hole inside 4pin header (white) is Round, if pin on your card is Sqaure, it does not fit. 1 x USB cable. Connector A: JST PH 2.0 (small 4-pin, size around 0.7cm width, 0.5cm height). We do not provide pick-up service.
eBay
USB Bluetooth 5.4 5.3 Dongle Adapter for PC Speaker Wireless Mouse Keyboard Music Audio Receiver
Aliexpress UK