Bluetooth transmitter mode -> add Bluetooth function to your TV, PC, etc. Stream audio to Bluetooth headphones/ speakers. Receive audio wirelessly from any Bluetooth audio device. How to Use ： Connect the device with a 3.5mm interface, press and hold the power switch for 3 seconds.
eBay
Bluetooth Transmitter Receiver Music Audio Adapter for Headphones MP3 MP4 TV PC DVD Via 3.5mm Audio Cable RCA Cable
Aliexpress UK
Description： For your better use experience in the car, MP3 and car charger are separated for convenient operation. More charging ports are expanded for charging of multiple devices at the same time. You can also play the mobile phone audio in the car, and enjoy more during the driving. Features： Split design The split design is adopted for the MP3 player and the car charger, and the MP3 player can be attached to the center console for easy operation in the car. Wireless 5.0 for stable transmission Featured with Wireless 5.0 technology, transmission is faster and more stable. .
eBay
Vinyl Turntable with Bluetooth Transmitter and USB To Computer Recording LP 33/45RPM Turntable Vinyl Turntable Turntables
Aliexpress UK
2 in 1 Bluetooth 5.0 Transmitter Receiver Audio Adapter, Wireless Aux 3.5mm Jack. Bluetooth 5.0 Transmitter Receiver 2-in-1 Wireless Audio Adapter 3.5mm Jack Aux. Upgrade your audio experience with the versatile2-in-1 Bluetooth 5.0 Transmitter and Receiver, designed to connect non-Bluetooth devices to Bluetooth-enabled headphones, speakers, and more.
eBay
Vinyl Turntable with Bluetooth Transmitter and USB To Computer Recording LP 33/45RPM Turntable Vinyl Turntable Turntables
Aliexpress UK
Bluetooth receiver (RX), Bluetooth transmitter (TX) two-in-one design. -Built-in digital signal to analogue chip, support digital optical, coaxial, AUX, RCA interface. Interface type: Input: 3.5mm AUX + RCA + optical + coaxial + USB.
eBay
USB Bluetooth Adapter Transmitter Receiver Bluetooth 5.0 Audio Bluetooth Dongle Wireless USB Adapter for Computer for PC Laptops
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.
eBay
Bluetooth 5.0 Transmitter 3.5MM Jack Audio Adapter Wireless Bluetooth Stereo Audio Transmitter Adapter For PC TV Headphones
Aliexpress UK
Bluetooth transmitter mode -> add Bluetooth function to your TV, PC, etc. Stream audio to Bluetooth headphones/ speakers. Receive audio wirelessly from any Bluetooth audio device. How to Use ： Connect the device with a 3.5mm interface, press and hold the power switch for 3 seconds.
eBay
Bluetooth 5.0 Transmitter Wireless Bluetooth Receiver Car AUX 3.5mm Bluetooth Adapter Audio Cable For Speaker Headphones
Aliexpress UK
2-in-1 Bluetooth 4.2 Transmitter & Receiver - Wireless Audio Adapter for TV/Car/Speaker w/ 3.5mm Aux". Modes: Transmitter (TV/PC → BT) & Receiver (Phone → Car/Speaker). RX-TX-10 Bluetooth 4.2 Transmitter/Receiver - 2-in-1 Wireless Audio Adapter for TV, Car, PC - Low Latency, 10H Battery.
eBay
UGREEN Airplane Bluetooth Transmitter Receiver 2-in-1 Wireless Bluetooth Adapter-Use with Any 3.5MM Jack on Flight, TV
Aliexpress UK
Supports all with AUX input of the car stereo! - Easy and simple to upgrade your car stereo Bt hands-free wireless audio! - Play your smartphone and other devices with Bt products to music on, you can make your way through the wireless from your car.
eBay
30 Pin Bluetooth Audio Transmitter for IPod Classic IPod Nano Touch Wireless Stereo Audio Adapter Bluetooth Dongle
Aliexpress UK