The product is a Bluetooth receiver, connected by RAC cable and AUX audio cable. Interface Type-c: AUX+RAC. AUX connection line 1. Improve the performance of devices without Bluetooth function. Bluetooth receiver 1.
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3.5mm Aux Male Audio Converter Headphone Splitter Adapter 1 to 2 Audio Adapter 3 4 Pole for Earphone Microphone Audio Speaker
Aliexpress UK
3 Directly connects to a 30-pin dock for iPad, iPod, iPod Touch and iPhone, turning the speaker into a stylish wireless Bluetooth-compatible speaker that's easy to use. 1 Compatible with all Bluetooth compatible devices that support wireless music transfer (A2DP).
eBay
USB Type C to 3.5mm Headphone Jack Adapter USB C to Audio Dongle Adapter for Phone Earphone Jack Audio Connector Adapter
Aliexpress UK
Bluetooth 4 Aux In Adapter for BMW E Series.
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Stereo Adapter Audio Adapter XLR 3 Pin Male Plug to 3.5mm TRS Female Jack Microphone Audio Adapter
Aliexpress UK
Car Bluetooth 5.0 FM Transmitter Car Audio Aux Bluetooth 5.0 Handsfree Kit Car Receiver Wireless Aux Audio FM Transmiter. Connectivity: Bluetooth, AUX, FM. Hi-Fi stereo audio, clear and good sound effect.
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ALPINE Car Audio 6-channel audio RCA built-in 4-channel high level 15-segment EQ Bluetooth power amplifier audio processor
Aliexpress UK
Car Wireless Bluetooth 3.0 Audio Receiver Dongle Music Adapter Built-in Mic Aux 3.5 mm. This product can be used with pretty much any audio receiver with an audio input jack which includes cars. Bluetooth v3.0+ EDR, Class 2.
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2 In 1 USB Bluetooth Adapter 5.0 Transmiter Bluetooth for Computer TV Laptop Speaker Headset Adapter Wireless Bluetooth Receiver
Aliexpress UK
1 x 2in1 Bluetooth Transmitter Receiver. Universal Compatibility: Works seamlessly with Android & iOS devices, a wide range of Bluetooth audio devices, and any stereo system with a 3.5mm port. Experience low latency, high-quality audio.
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DOREMiDi Music Editor Wireless Bluetooth MIDI Adapter MIDI Adapter MIDI-USB To Wireless Bluetooth MIDI Adapter MIDI Cable MIDI
Aliexpress UK
Bluetooth 5.3 Wireless FM Transmitter QC3.0 PD 20W Car Fast Charging Adapter MP3. Car Bluetooth FM Transmitter Wireless USB PD Adapter Fast Charging MP3 Player UK. Bluetooth 5.3 stable transmission, newly upgraded Bluetooth 5.3 chip, more stable multi data transmission, wider wireless coverage range; Bluetooth 5.3, 3D stereo, automatic reconnection, AAC/SBC.
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Fosi Audio MC351 Audio Amplifier 2.1 Channel Bluetooth Stereo Integrated with DAC, Mini Power Amp TPA3255 for Passive Speaker
Aliexpress UK
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Fosi Audio Bluetooth Sound Power Amplifier 2.1 Channel Amp Audio Reciver for Speaker Subwoofer 165Wx2 +350W BT30D PRO
Aliexpress UK