☆ Please be sure to read the profile before purchasing or asking questions. TR-01 model with both Bluetooth transmission and reception functions. - Model: TR-01 - Function: Supports both transmission and reception - Manufacturer: LITHON Used once. Operation not confirmed. [Product Introduction] This one device does both transmission and reception. Transmit TV sound. Receive to your favorite wired speakers or headphones. Easily make non-Bluetooth devices wireless. ■ Transmit TV audio Connect a TV or music player without Bluetooth transmission function to this product, and transmit to a Bluetooth-enabled device (such as wireless earphones) to play audio. ■ Receive to wired speakers Play audio from wireless-enabled devices such as smartphones, tablets, and computers on your favorite non-Bluetooth devices (such as wired speakers and headphones). Thank you for viewing.