TX mode will automatically search for other Bluetooth receiving devices (such as Bluetooth speaker, Bluetooth receiver, etc.). During pairing, the red light flashes twice a second. After pairing, the red light flashes once every three seconds, which is very successful.
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30 Pin Bluetooth 5.4 Audio Receiver A2DP/AVRCP Mini Wireless Audio Adapter For IPhone IPod 30PIN Jack Analog Speaker HIFI Stereo
Aliexpress UK
Upgrade your audio experience with the Bluetooth 5.3 Adapter, a versatile wireless receiver and transmitter designed for seamless music streaming and handsfree calls. Handsfree Calls: Built-in microphone ensures clear, noise-cancelling calls while driving or multitasking.
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VAORLO Bluetooth 5.5 Audio Receiver Stereo Dongle USB To 3.5mm Jack Car Audio AUX Wireless Adapter With Mic For Car BT Transmit
Aliexpress UK
Bluetooth V5.0 technology. It is Not compatible with for iPod nano 6, iPod Mini 4GB Model M9804X (Version 1.4.1), iPod Touch 2nd, iPod Touch 1st, ipod classic 30GB. And aslo it don't support the Ipod ex factory date before 2007.
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3.5mm Male to Male Stereo Audio Adapter 3.5 Jack Headphone Coupler Professional for Bluetooth Car Audio AUX Connector
Aliexpress UK
▶️[2-in-1 Bluetooth Audio Transmitter Receiver] - The Bluetooth receiver for hifi effortlessly transforms your older devices like stereos, speakers, TVs, computers, or car systems into Bluetooth-ready.
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Bluetooth 5.3 Audio Receiver 3.5mm AUX RCA USB U-Disk Stereo Music Wireless Audio Adapter For PC TV Car Kit Speaker Amplifier
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.
eBay
Bluetooth 5.3 Audio Receiver AUX 3.5mm Jack Stereo Wireless Audio Adapter with Microphone for Car Earphones TV Speakers
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.
eBay
Bluetooth Audio Receiver Stereo Dongle USB To 3.5mm Jack Car Audio Aux Wireless Adapter Handsfree For Car Receiver BT Transmit
Aliexpress UK
The UGREEN Bluetooth Audio Adapter is a compact and versatile device that allows you to easily connect your audio receivers to Bluetooth-enabled devices, such as smartphones, laptops, or speakers. With Bluetooth v5.0 standard, this adapter ensures a reliable and fast connection for seamless audio streaming. Its sleek black design and 3.5mm jack port make it perfect for on-the-go use, providing you with a convenient solution for enhancing your audio experience. Made in China by Ugreen, this unit quantity of 3 adapters is a great addition to your home networking and connectivity setup.
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Bluetooth 5.3 Audio Receiver 3.5mm AUX RCA USB U-Disk Stereo Music Wireless Audio Adapter For PC TV Car Kit Speaker Amplifier
Aliexpress UK
Dual Streaming - Support two headphones wireless HIFI audio simultaneously with Qualcomm aptX Low Latency technology. Super Low Latency - Enjoy smooth gaming with no lag supported by Qualcomm aptX Low Latency codec and digital HIFI audio.
eBay
Bluetooth 5.3 Audio Receiver 3.5mm AUX/RCA/Stereo Lossless Wireless Audio Adapter Supports U Disk Player for Speaker Car Kit
Aliexpress UK