1 X MP3 Decoder Board. MODE: When there is SD card and U disk: the switching sequence is USB→SD→FM→AUX→USB;. Model: 012B Bluetooth version 5.0. Support lossless music playback, with power protection function(reverse connection will not burn the motherboard and the display will not light up).
eBay
Insta360 GPS Waterproof Smart Remote for ONE X3/X4/X5/ONE RS Bluetooth 5.0 20m Control Range IPX8 Waterproof Real-Time Tracking
Aliexpress UK
This bluetooth-compatible 5.0 amplifier module can be used as a computer sound box and speaker DIY. This wireless amplifier module supports bluetooth-compatible 5.0 and the signal is quick, stable and low delay.
eBay
Bluetooth 5.0 Audio Receiver Transmitter 2 IN 1 RCA 3.5MM AUX Jack USB Dongle Stereo Wireless Adapters For Car TV PC Headphone
Aliexpress UK
(2 25W can be directly connected to the horn). 1x 2 25W MP3 decoder board. Support song format MP3 / wma / WAV / APE / FLAC. Can be directly connected to the speaker, with power amplifier and decoding function.
eBay
XPPen Wireless Shortcut Remote Express Key Bluetooth 5.0 Customizable shortcut keys for Graphic Tablet Pen Display Monitor
Aliexpress UK
Bluetooth Music Adapter. Car radar and alarm Parts. Supports up to Bluetooth 5.0 for low power consumption. Bluetooth: 5.0 (compatible with the following versions). 1 x Bluetooth cable adapter. BlueMusic Audio Adapter.
eBay
Insta360 GPS Waterproof Smart Remote for ONE X3/X4/X5/ONE RS Bluetooth 5.0 20m Control Range IPX8 Waterproof Real-Time Tracking
Aliexpress UK
(PCB size 40MM 34MM 9MM (including nest);. After searching (YMX-868BT) "Touch Pairing", it also hears "Connected successfully or prompts" to complete the pairing;. 3) Audio output: 3P block OUT audio output can be modified for external power amplifier, the middle is audio ground, left and right are L and R respectively.
eBay
New Xiaomi Bluetooth Speaker Bluetooth 5.3 LHDC 5.0 HyperOS IP67 93dB 40W Battery life Outdoor Portable Sound Speaker
Aliexpress UK
Bluetooth 5.0: This car Bluetooth audio adapter supports Bluetooth 5.0, low power consumption, reliable use and universal accessories suitable for most vehicles. Customize your mobile phone or tablet to the Bluetooth module and then select AUX from the radio. You can play music with your mobile phone. Application: With this adapter, you can listen to music from a mobile phone/tablet/MP3 player through the car speakers. Used for wireless transmission of music, navigation and phone Easy to use: The car Bluetooth audio adapter is easy to install, just plug and play, without complicated tools, space-saving, convenient and practical. Material: The car Bluetooth audio adapter is made of copper and plastic, durable and stable and a high quality product. .
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New Xiaomi Bluetooth Speaker ASM02A Bluetooth 5.3 LHDC 5.0 HyperOS IP67 93dB 40W Battery life Outdoor Portable Sound Mi Home APP
Aliexpress UK
This wireless amplifier module supports bluetooth-compatible 5.0 and the signal is quick, stable and low delay. This bluetooth-compatible 5.0 amplifier module can be used as a computer sound box and speaker DIY.
eBay
Original Aqara Smart Door Lock A100 Pro Zigbee Bluetooth 5.0 NFC Card Lock Smart Fingerprint Unlock Work with Apple Homekit APP
Aliexpress UK
This bluetooth-compatible 5.0 amplifier module can be used as a computer sound box and speaker DIY. This wireless amplifier module supports bluetooth-compatible 5.0 and the signal is quick, stable and low delay.
eBay
HIFI 4-port 3.5mm Stereo AUX Switcher 3 IN 1OUT Wireless Music Bluetooth 5.0 Audio Receivers Infrared Remote Control
Aliexpress UK