TSA5001 - Bluetooth 5.3 Audio Transmitter Board - I2S digital Input

Premium 2-In-1 Bluetooth 5.0 Audio Transmitter Receiver

Bluetooth – Oz Robotics

TSA7010 - Digital Bluetooth Audio Receiver Board(I2S+DAC)

Audio Receiver/Transmitter – TINYSINE AUDIO

Bluetooth Kits – Oz Robotics

Nura Bluetooth® 5.3 Audio Transmitter

ZIIDOO Bluetooth 5.0 Transmitter and Receiver, 3-in-1 Wireless Bluetooth Adapter,Low Latency Bluetooth Audio Adapter for TV,Car,Home Stereo System : Electronics

This is a compact size digital input bluetooth 5.3 audio transmitter board. Maybe your have a I2S digital output audio player without Bluetooth

TSA5001 - Bluetooth 5.3 Audio Transmitter Board - I2S digital Input

TINYSINE TSA5001 Bluetooth 5.3 I2S Transmitter Module aptX HD - Audiophonics

Frienicty Bluetooth 5.3 Transmitter Adapter for TV, 2-in-1 Wireless Audio Transmitter Receiver, Bluetooth AUX Adapter for Airplane Headphones PC

audio – Oz Robotics

Take smooth sound with you anywhere and everywhere with the 1Mii 3 in 1 Low Latency Home Stereo Bluetooth 5.0 Transmitter Receiver. This portable Bluetooth adapter has a lightweight and compact design that's easy to slip into your pocket or travel bag. Featuring backward-compatible Bluetooth 5.0 and low-latency technology, the wireless audio device provides crisp, clear sound without any syncing issues or delay.

1Mii Bluetooth 53 Transmitter Receiver for TV to Wireless Headphones Dual Link aptX Adaptive/Low Latency/HD Audio Aux Adapter for Home Stereo Airplane

1Mii Bluetooth 5.3 Transmitter Receiver for TV, Bluetooth Adapter for TV aptX Low Latency Dual Link, 3.5mm Bluetooth Audio Transmitter for MP3 Airplanes Boats Treadmill Gaming : Electronics

TSA5000 - Bluetooth 5.0 Audio Transmitter Board - Analog input