• Split audio: Listen to 1 portable device from 2 stereo headphones or speakers with this 3.5 mm male to dual 3.5 mm female audio splitter – each split output is ‘stereo’.
eBay
VIKEFON Bluetooth Audio Receiver Stereo 3.5mm Jack AUX Bluetooth Adapter MP3 Car Transmitter Wireless Speaker Headphone Adapter
Aliexpress UK
3.5mm Aux Adaptor Earphone Headphone Jack Audio For iPhone 7 X 11 12 13 14 Pro Max. BUILT IN SMART CHIP - COMPATIBLE WITH ALL iPHONE AND iPAD MODELS. Compatible With iPhone And iPad., PLUG & PLAY. Smart Chip Plug And Play.
eBay
Bluetooth 5.3 Audio Receiver Transmitter 3.5mm AUX Jack Airplane USB Dongle Wireless Adapter for TV PC Headphone Car kit Speaker
Aliexpress UK
IPhone To 3.5mm AUX Headphone Jack Adapter for iPhone Models to Audio Cable. 1 X 3.5mm Aux headphone adapter. - Excellent Sound Performance: Supports Up To 48 Khz And 24-Bit Audio Output, Keep Original Apple iPhone Earphones Sound Quality.
eBay
Bluetooth 5.0 Audio Receiver Transmitter 2 IN 1 RCA 3.5MM AUX Jack USB Dongle Stereo Wireless Adapters For Car TV PC Headphone
Aliexpress UK
Universal Compatibility: Designed to work with all Samsung smartphones that feature a USB-C port and lack a 3.5mm headphone jack. Enjoy your favorite music and audio with this convenient USB Type C to 3.5mm AUX Audio Headphone Jack Adapter!
eBay
Bluetooth 5.0 Receiver 3D Stereo TF Card RCA 3.5mm AUX Jack Wireless Adapter For Speaker Amplifier Car Audio Transmitter Auto ON
Aliexpress UK
3.5mm Splitter Audio Adapter Jack Male Plug to 2 Female Headphone Mic Y-Cable. 2 Way Male to 2 Female lead type splitter for use with any 3.5mm jack audio device. Simply plug this hub into any audio device and share your music with any friends that have earphones.
eBay
Type C Headphone Adapter 3.5mm Jack Audio Cable Audio Headphone Adapter USB Type C to USB-C Adapter Charging Audio Adapter
Aliexpress UK
3.5mm Stereo Plug to 2 x Stereo Sockets. Suitable for standard headphones.
eBay
2 in 1 Wireless Bluetooth 5.0 Receiver Adapter 3.5mm Jack For Car Music Audio Aux A2dp Headphone Reciever Handsfree
Aliexpress UK
24K Pure Copper Gold Plated: POSUGEAR headphone adapter jack adopts solid brass material and surface gold plating process, high density shielding interference, stable signal transmission, anti-corrosion, greatly improving the service life.
eBay
2 In 1 Bluetooth 5.2 Audio Transmitter Receiver 5 EQ Modes 3.5mm AUX RCA Jack Stereo Wireless Adapter for TV PC Car Kit Speaker
Aliexpress UK
High-quality USB Type-C to 3.5mm headphone jack adapter, designed for Samsung Galaxy S21 Ultra, S20 FE, and other compatible models. Provides seamless audio transmission with a durable design. USB Type-C to 3.5mm Headphone Jack Adapter.
eBay
Bluetooth 5.0 Audio Receiver Transmitter 2 IN 1 RCA 3.5MM AUX Jack USB Dongle Stereo Wireless Adapters For Car TV PC Headphone
Aliexpress UK