Plug and Play: Remove the adapter from the USB port and insert it again to switch transmitter / receiver mode. Red light is transmitter mode, blue light is receiver mode. No driver required, easy to use.
eBay
1pc 5/6/8/10 Inch Bass Loudspeaker Woofer Speaker for Car Audio / Home Theaters,Wide Frequency Response Car Audio Stereo Speaker
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
4/5/6.5 Inch Car Speaker Car Audio Music Stereo Sensitivity 92dB Full Range Speaker Damp-proof Audio Horn 12V 100W/160W
Aliexpress UK
Wireless Bluetooth 5.1 Receiver Dongle Car AUX 3.5mm Adapter Cable. Bluetooth V5.0 USB Dongle Adapter PC Desktop Computer WINDOWS 10 11 Driver Free. Wireless USB WiFi Adapter Dongle LAN 802.11/b/g/n 2.4Ghz Laptop PC TV.
eBay
1PC 600W Car Audio Accessory Coaxial Speaker Audio 6.5 inch Tiltable Speaker Full Frequency Universal HiFi Car Stereo Subwoofer
Aliexpress UK
Wireless Connection: Bluetooth and FM Connection. Our wireless in-car Bluetooth FM transmitter is well compatible with for iPhone 8/iPhone 8 plus/iPhone X/iPhone 7/iPhone 7 plus/Samsung/HTC/Blackberry/Sony/ iPad and Tablet, etc.
eBay
2PCS (2*150W) 300W Mini Dome Tweeter High Efficiency Speaker With Base 12V Loudspeaker Audio Auto Sound Speaker For Car Audio
Aliexpress UK
③ Application: You can enjoy the TV show or CD-Like music from your smartphone or other Bluetooth devices via the Mini Bluetooth transceiver. Plug and Play: No driver required, easy to use. Works with the device which has 3.5mm jacks.
eBay
Car Audio Modified 165mm Speaker High and Medium Bass 6.5 Inch Coaxial Car Audio Speaker
Aliexpress UK
1 5.0 Bluetooth receiver transmitter. Function: three in one audio receiver transmitter. Insert one end of the 3.5MM audio cable into the AUX connector of the adapter, and the other end into the audio output hole of the TV, projector, tablet, MP3, CD player and other devices or the RCA audio signal output hole of the TV;.
eBay
1pc 6 Inch Bass Loudspeaker Woofer Speaker for Car Audio / Home Theaters, Wide Frequency Response Car Audio Stereo Speaker
Aliexpress UK
The audio cable is inserted into TRANSMITTER for transmission mode, and the indicator light is blue. 1x 5.0 Bluetooth receiver transmitter. Transmitter mode: blue LED light is on. Transmission mode (suitable for sending computer/TV/radio/MP3 audio to Bluetooth headset/stereo).
eBay
Car Speaker KL-40 50 60B Audio Bass Full Range Speaker Modified Car Audio Host Direct Push
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
AiteFeir 10inch 1500W Universal Car Audio Car Active Subwoofer Speaker Maximum Power Square Ultra-Thin Car Auto Subwoofer
Aliexpress UK