The Spektrum AR410 air receiver is a full-range, 4-channel sport receiver with DSMX/DSM2 compatibility and a compact footprint that's streamlined to fit in a wide range of models. Details of SKU: SPMAR410.
eBay
Interface: 2RCA left and right channels, 3.5 audio port. 1 x 2RCA Audio Cable. The NFC bluetooth audio adapter turns wired speakers into wireless bluetooth speakers in seconds. The new 5.0 Bluetooth uses industrial-grade power isolation technology.
eBay
I’m clearing out my cupboard and this is part of my sons collection he left when he moved out.
eBay
The latest Q4 Bluetooth receiver & D/A converter: with Bluetooth / PC-USB / U-disk / Optical and Coaxial S/PDIF inputs can match perfectly with most home audio system; transmits stream bit-perfect 24Bit/192KHz HD low jitter signal, with output protect circuit, safe for your expensive audio system. PC-USB / U-disk inputs and dual analog outputs: besides PC-USB (support phone OTG), also with U-disk input to play lossless audio formats, easy to set-up, no need for any driver or software, truly plug-and-play. RCA output can be connected to amplifier or powered speakers, and headphone amp circuit is added to drive most 16-300Ω headphones.
eBay
Absima SR2S 2-Channel Radio Control System 2.4GHz Transmitter And Receiver good Used working Condition aerial has been changed
eBay
With its convenient 3.5mm AUX port, this adapter is perfect for streaming music from your smartphone or tablet.
eBay
【Upgraded Bluetooth 5.3 Transmitter】Utilizes the latest Bluetooth technology for faster transmission speeds, improved signal stability, and lower latency. 【Transmitter Function Design】This Bluetooth module automatically pairs with non-Bluetooth TVs and PCs to wirelessly stream audio to headphones or speakers.
eBay
CONVERT ANY (AUX IN) 3.5mm PORT. WHICH HAVE AN AUX INPUT TO CONVERT TO BLUETOOTH. AUX ADAPTER RECEIVER DONGLE. BUT HAS (AUX IN) 3.5mm PORT, PLUG THIS INTO. THE AUX PORT AND CONNECT THIS DONGLE. WHICH HAVE AN AUX INPUT PORT.
eBay