Most external Bluetooth pucks are transmit-only; i.e., they take audio input via cables and pass it along wirelessly. The $40 Monoprice Bluetooth 5 Long Range Transmitter and Receiver does that, but ...
Measuring 1.9 mm high, 3.1 mm deep, and 6 mm long, the TFBS4711 transceiver is designed for short-range wireless applications using infrared connectivity. It features ...