2-in-1 Bluetooth 5.0 Transmitter Receiver TV Adapter, Optical RCA AUX, 25H Playt

2-in-1 Bluetooth 5.0 Transmitter Receiver – Optical, AUX, RCA TV Adapter (BTI-038). Multiple Audio Inputs: Connect via Optical, 3.5mm AUX, or RCA for TVs, PCs, DVD players, more. Flexible Inputs: Works with Optical (SPDIF), 3.5mm AUX, and RCA connections.

eBay