USB music dongle slot to transmit to your car radio.
eBay
BQCC 7" HD IPS Screen Portable Car MP5 Player Mirrorlink wireless Carplay Android Auto BT FM Car stereo USB WIFI Vehicle Radio
Aliexpress UK
7 Colors LED Lights Design: Bluetooth designed with 7 LED color lights, you can see the button clear in the darkness and adjust the color you like. Widely Use: Support Bluetooth and USB disk and it will automatically detect and play WMA, MP3, WAV, FLAC music format files.
eBay
Desktop Retro Cassette Recorder Player With Am Fm Sw Portable Radio Auto Stop Tape Player Wireless Bluetooth Caixa De Som Radio
Aliexpress UK
This device is a stereo frequency modulation emitter and also can be considered a portable radio station. It converts audio signals into high-frequency modulation signals transmitted through the air via an antenna for distant radio reception.
eBay
TECSUN PL368 Portable Digital DSP Radio FM AM SW Multi Band Receiver with ETM Auto Scan Stereo Sound Compact Lightweight Radio
Aliexpress UK
Wireless Car Adapter Bluetooth-Compatible 5.0 USB AUX Auto Wireless Receiver Audio 3.5mm Auto BT Transmitter. Play mode: FM or AUX. Compact and Convenient: With its compact size, the FM transmitter can be installed in any convenient location.
eBay
New 9 Inch Car Headrest Monitor Rear Seat Entertainment System DVD Video Player AV Display Support USB SD FM DVD 32 Game
Aliexpress UK
This device is a stereo frequency modulation emitter and also can be considered a portable radio station. It converts audio signals into high-frequency modulation signals transmitted through the air via an antenna for distant radio reception.
eBay
Tecsun PL680 Portable Digital Radio Receiver Full Band FM MW SW PLL Synthesized Stereo Speaker with Auto Sleep Digital Tuning
Aliexpress UK
This car wireless FM radio transmitter modulator is compatible with Apple devices such as iPhone 3GS, 4S, and iPod Touch. It features an LCD screen The black FM transmitter is perfect for those who want to enjoy high-quality audio in their car. Sold as seen Working condition
eBay
QODOSEN DX-286 Portable Radio AM/FM/LW/SW Digital World Full Band Radio with tef6686 Car Chip
Aliexpress UK
Nissan aerial adapters - These Nissan aerial adapters will convert Nissan aerial connections to allow theinstallation of an FM modulator (such as the iConnect-FM). FM modulators usually havestandard DIN aerial connectors and cannot be fitted to Nissan models that feature Nissan type aerial connections unless theseNissan aerial convertors are used.
eBay
17.3 Inch Multimedia MP5 Video Playre Car Monitor HD LCD Screen Cars Ceiling TV Roof Mount Display Mirror Link FM IR USB HDMI
Aliexpress UK
Support wireless/wired Apple CarPlay & Android AUTO & Mirror Link. Rear dual USB port input: Support rear cable USB input, can play music/movie Or wire CarPlay Android Auto. ◆Apple CarPlay: Support Wireless/Wired Connection.
eBay
Portable Weather Radio FM AM NOAA Emergency Pocket Radio With Weather Warning Alarm Clock Auto-Search Channels Mini Hand Radio
Aliexpress UK