When the power is on and the blue led is on, it goes into Bluetooth mode and is ready to pair. The device will play “The Bluetooth device is connected successfully” when successfully connected. Stereo audio is output either with the 3.5mm headphone jack or the soldered connection.
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Bluetooth Audio Adapter Aux 3.5mm Car USB Receiver Cable for Speaker Music Universal Car Bluetooth 5.0 Receiver AUX Adapter
Aliexpress UK
Simulation Binding Belt Tie-up Strap for 1/14 Tamiya Trailer Timber Truck Car. Phone Tablet Type-C Data Cable Connection Line for DJI Mavic MINI 2/AIR 2 Drone. Night Flying Light LED Signal Lamp Kit for DJI Mavic Air 2 Pro Mini Accessories.
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mifa A10+ Portable bluetooth speaker 360° Stereo Sound 20W IPX7 waterproof wireless bluetooth 5.0 speaker 24-Hour Play time
Aliexpress UK
Output maximum power 2x15W at 16V4A. 1pcs 5.0 Bluetooth power amplifier board. When 12V4A, the output maximum power is 2x10W. What's included Always believe we can solve problems by communication if there are any problems.
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100% Original Lenovo K3 Pro 5.0 Portable Bluetooth Speaker Stereo Surround Wireless Bluetooth Speakers Audio Player Loudspeaker
Aliexpress UK
1 MP3 decoder board. Support external audio input line input (aux);. Automatic (play/pause): in MP3 state, short press Auto to play/ pause; in FM state, short press to play/pause, long press to receive and save automatically; in Bluetooth function, short press to play/ pause.
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Bluetooth 5.0 Transmitter Receiver Wireless Audio Adapter 2 in 1 A2DP 3.5mm Jack Aux Bluetooth Adapter For PC TV Headphone Car
Aliexpress UK
This product MH-M18/M28/M38 is a low-power Bluetooth design solution, supports the latest Bluetooth 4.2 transmission, 2-channel stereo lossless playback, and the module can be connected to Bluetooth to quickly realize Bluetooth wireless transmission, which is very convenient.
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Biurlink Wireless Bluetooth 5.0 Adapter Aux Cable Bluetooth Audio Receiver Music Adapter For Audi A3 A4 A6 A8 TT R8 RNS-E 32Pin
Aliexpress UK
3.5mm Stereo Audio Interface: Standard 3.5mm interface, outputting stereo sound source, suitable for headphones, amplifiers, and other devices. Search for "XY_BT" in the Bluetooth settings of your phone or other Bluetooth devices and select to connect.
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Grwibeou USB Bluetooth 5.1 5.0 Dongle Adapter for PC Speaker Wireless Mouse Keyboard Music Audio Bluetooth Receiver Transmitter
Aliexpress UK
(Output maximum power 2x15W at 16V4A. 1pcs 5.0 Bluetooth power amplifier board. 123456), support button shutdown / boot, support serial port to change. DIY Flat Belt Screw Leather Craft Chicago Nail Brass Solid Rivets Stud Head I.
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Original Lenovo K3 Pro 5.0 Portable Bluetooth Speaker Stereo Surround Wireless Bluetooth Speakers Audio Player Loudspeaker
Aliexpress UK
At 19V4A, the maximum output power is 40W. At 24V4A, the maximum output power is 50W. No call function.
eBay
Baseus AUX Bluetooth Adapter Car 3.5mm Jack Dongle Cable Handfree Car Kit Audio Transmitter Auto Bluetooth 5.0 Receiver
Aliexpress UK