Built-in digital to analog chip, support AUX, RCA, USB, TF interface. Interface type: Input: 3.5mm AUX+RCA+USB+TF;. 2 in 1 Bluetooth receiving (RX) and Bluetooth transmitting (TX) functions. Output: 3.5mm AUX+RCA.
eBay
2 Din Android Car Radio Wireless Carplay Android-Auto Bluetooth RDS GPS Navigation Wifi USB TF Multimedia Player Head Unit 8802
Aliexpress UK
(3) Easy and quick installation. Plug and play. USB to 3.5mm bluetooth car audio adapter is easy to use. Simply connect it to the Aux port of your car stereo, speaker, amplifier, headphone, or any other audio device, and connect the USB port to a USB charging jack to power the Bluetooth.
eBay
Portable Bluetooth Speaker Wireless Mini Speaker Subwoofer Speaker Smart Speaker TF USB Built-in Mic Dual Bass
Aliexpress UK
Hi-Fi Bluetooth 5.1 DAC Receiver Spdif Optical to 3.5MM AUX 2 RCA Amplifier. ◆ Built-in digital to analog chip, support digital optical fiber, coaxial, AUX, RCA interface. ◆Bluetooth receiving (RX), Bluetooth transmitting (TX), FM transmitting three-in-one design.
eBay
Wireless Bluetooth Mini Portable Speaker Loudspeaker For Broadcasting TF Card USB Outdoor Lawn Sound System
Aliexpress UK
Simply plug the wireless CarPlay adapter into your car’s USB port, connect your phone via Bluetooth, and enable Wi-Fi. Apple users: Your iPhone must be running iOS 10 or later, and your vehicle must support wired CarPlay.3.
eBay
TG506 Portable Speaker Bluetooth Wireless Soundbar Mini Bass TF USB BT Music Playback Loudspeaker for Travel Camping Cycling
Aliexpress UK
1 x Keyboard Mouse Converter. Play and play,Bluetooth 5.1 connection,support for IOS, Android. Charging while Play. Support Customizable settings. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.
eBay
Bluetooth Mini Speaker Wireless Speaker Colorful LED TF Card USB Subwoofer Portable MP3 Music Sound Column For Car PC Smartphone
Aliexpress UK
It can your conventional RS232 serial cables, connects communication both sides over the air, provides a wireless serial connection with more freedom and convenience. A green LED is used to indicate TX/RX activity of RS232 serial communication.
eBay
Wireless Bluetooth 5.0 5V MP3 Board Car Audio USB TF FM Radio Module MP3 Player with Remote Control
Aliexpress UK
The ESSAGER EB01 Aux Bluetooth 5.0 USB Adapter is the perfect solution for adding Bluetooth connectivity to your audio devices. This compact and versatile adapter allows you to connect wirelessly to a wide range of devices, including speakers, headphones, car audio systems, and more.
eBay
Bluetooth 5.0 Car FM Transmitter PD Type-C Dual USB Ambient Player MP3 Charger Type-C Wireless Light 18W Handsfree PD QC3.0 Y3Z4
Aliexpress UK
AUX-Eingang für 3,5mm-Klinkenstecker für die Audio Wiedergabe. - der Adapter muss per Anschlusskabel einfach am CD-Wechsler Eingang an der Rückseite Ihres Radio eingesteckt werden. 1 Bluetooth Modul + Mikrophone.
eBay
DC 5V 12V Bluetooth 5.0 MP3 WMA WAV APE Decoder Board Hands-free Car Audio Microphone USB TF FM Radio Mp3 Music Player Speaker
Aliexpress UK