3 in 1 Transmitter Receiver: The USB Bluetooth 5.0 audio transmitter receiver can transmit audio from non-Bluetooth audio sources (TV, PC, MP3, CD player or book reader, etc.) to Bluetooth headsets and speakers.
eBay
Car Bluetooth 5.4 FM Transmitter Receiver USB Wireless Adapter Auto Audio with LED Display Handsfree Calling Music For Car Radio
Aliexpress UK
Car Speaker Play: Pair your device with module, and select Aux from your radio, then you can enjoy music from your phone via car speakers. Feature: 1. Item Type: MMI 3G AMI AUX Cable. Applicable Format: The MMI AMI audio cable supports many formats such as MP3 audio format, WMA, WAV format and other quality audio formats.
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OTTOCAST Express Mini Wireless Android Auto CarPlay Adapter USB Dongle for Car Upgrade WiFi Bluetooth Auto Connect Accessories
Aliexpress UK
Upgrade your wired CarPlay system to wireless effortlessly. Compatible with over 98% of 2016+ vehicles with wired CarPlay. Instant Wireless Conversion. Not compatible with Tesla, BMW, Jeep, or Nissan models.
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Mini 2in1 Wireless Carplay Android Auto Adapter for Car Pplay Wired To Wireless Smart Ai Box Bluetooth WiFi Auto Connect LED
Aliexpress UK
With this adapter, you can seamlessly useAndroid Auto orApple CarPlay features without the need for a physical USB connection. The adapter is compatible with most vehicles that support Android Auto or Apple CarPlay.
eBay
Baseus Aux Car Wireless Audio Receiver Auto Bluetooth-compatible 5.0 Car Kit Adapter Handsfree Speaker With Microphone
Aliexpress UK
Turn on the Bluetooth earphones or Bluetooth speakers and make sure they are in Bluetooth pairing mode. Wait for the adapter to automatically pair with Bluetooth headphones or Bluetooth speakers. Then, you can play music on your computer or TV, and the sound will be transmitted to Bluetooth headphones or Bluetooth speakers.
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CarlinKit 5.0 Wireless Adapter Mini Ultra Wireless Android Auto & CarPlay USB Dongle For Car Upgrade WiFi Bluetooth Auto Connect
Aliexpress UK
Your car radio MUST feature a Phono AUX input at the rear. This device is a must for newer models such as the iPhone 7, 8 and X onwards that no longer have a headphone jack output but you can use any smartphone model with bluetooth.
eBay
Carlinkit 5.0 Mini 5 Pro Wireless Carplay Adapter Android Auto Box Plug &Play 5.8GHz WiFi Bluetooth Auto Connection for OEM Cars
Aliexpress UK
Using the FM transmission for sound output,you can also enjoy the DAB+ radio even your car radio without DAB+ function. In-car DAB+ Radio receiver with BT player, Support FM transmitter. Easy to use, Plug & Play DAB, instantly upgrade your cars audio system with no installation.
eBay
Car Bluetooth FM Transmitter Car Kit Usb U Disk Read Pd20W Fast Charging Digital Car Phone Adapter Support AUX audio input
Aliexpress UK
Used item in very good condition. Includes only what is shown in photos. No other accessories.
eBay
Car Audio Bluetooth 5.0 Receiver Aux Adapter for Peugeot Citroen C2 C5 RD45 RD4 Radio Module Bluetooth Aux Cable
Aliexpress UK