4-in-1 Wireless Bluetooth 5.4 Transmitter Receiver Adapter Audio 3.5mm Jack Aux

Bluetooth version: Bluetooth 5.4. Equipped with a 3.5mm audio cable that can directly connect to the device. The product is equipped with a built-in battery, providing long-lasting battery life. Function: Receive/transmit/MP3 playback/3.5mm audio cable connection.

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