Equipped with TF card slot: Bluetooth stereo receiver adapter is equipped with TF card slot (maximum support 64G) and Bluetooth mode. You can choose to play your favorite songs from your smart device or TF card!
eBay
Ortizan M7 Outdoor Bluetooth Speaker, 24W Output Power Bluetooth 5.3 Speaker ,IPX7 Waterproof,Micro SD Card,AUX in, RGB Light
Aliexpress UK
Bt transmitter receiver: ① Transmitter mode - transmits audio from non-Bt audio sources (TV, computer, CD/DVD player, etc.) to Bt headphones/speakers via 3.5mm audio cable. (Only audio can be transferred, not video or files).
eBay
Wireless Bluetooth Speaker Blutooth Music Sound For Caixa Som Blootooth Subwoofer Radio FM Handfree Bass System
Aliexpress UK
Designed for use with all wireless devices, this Bluetooth adapter is a versatile and convenient addition to any audio setup. Bluetooth 5.0 Technology.
eBay
MLOVE Portable Bluetooth Speaker, Bluetooth 5.3, RGB Lights, Compact High-Fidelity Sound, TWS Connectivity
Aliexpress UK
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
3W + 3W Dual-Channel Bluetooth Speaker DIY Bluetooth Speaker Assembly and Soldering Kit Suitable for Teaching Practice etc.
Aliexpress UK
So that you can pair these old audio devices with your phone or pad and then listen to your favorite music. NOTE: This product is ONLY a receiver, NOT a transmitter. You don’t have to look down the phone on the move.
eBay
Portable Christmas Bluetooth Speaker Mini Portable Car Audio Wireless Bluetooth 5.0 Subwoofer Speaker for Home Christmas Gifts
Aliexpress UK
It converts Coaxial or Toslink digital audio signals to analog L/R audio and supports receiving audio signals via Bluetooth. It is also available for connection to an external device such as an amplifier via standard RCA-style jacks and 3.5mm stereo jack.
eBay
Ortizan S11 Portable Bluetooth Speaker with Lights Bluetooth Computer Speakers for Desktop, Gaming Speakers for PC,Laptop,Tablet
Aliexpress UK
ARC Bluetooth 6.0 Wireless Audio Transmitter Receiver HiFi Music Adapter AUX RCA. Bluetooth 5.4 Transmitter Receiver 2 IN 1 Wireless Audio 3.5mm Jack Aux Adapter. Tuya Wi-Fi Touch Smart Light Switch NO Neutral Wire Required - 1 / 2 / 3 Gang UK.
eBay
120W ZE01 Portable Bluetooth Speaker Big Power Wireless TWS Subwoofer Bluetooth Speaker Waterproof Mobile HIFI Quality
Aliexpress UK
Supports all with AUX input of the car stereo! - Easy and simple to upgrade your car stereo Bluetooth hands-free wireless audio! - Play your smartphone, iPad, iPod, and other devices with Bluetooth products to music on, you can make your way through the wireless from your car stereo to play back synchronized to music on your smart device!
eBay
Portable Wireless Bluetooth Speaker Mini Suction Cup Phone Stand Stereo Surround Subwoofer Mini Bluetooth Speaker
Aliexpress UK