Audio Transmitter Wireless Receiver adapter audio for headphones Computer speakers Description: [Audio and receiver]: Adapter Bluetooth 2-in-1 audio with indicator lights (receiving mode: blue light, transmitting mode: red light) [Stable Connection]: The audio receiver built in 5.3 technology ensures fast and stable transmission, stable connection and no signal delay. [Multifunctional]: Adapter audio supports playback from TF cards, and thanks to the microphone interface 6,5 mm, connecting and singing, supports singing from a wired and wireless microphone. Multiple interfaces to meet the needs of different devices. [Compact and portable]: adapter audio AUX, easy to use, plug and play, compact and portable. Specification: Adapter plugins: Adapter plugins UE Indicator light: (receiving mode: blue light, transmitting mode: red light) Microphone interface: supports standard 6,5 mm microphone AUX: input or output RCA: left and right stereo Interface: interface, TF card interface, charging interface Detection Area: Infrared Remote Control Detection Area Size Chart: 8,5 cm x 6 cm x 3 cm or 3,35 inch x 2,36 inch x 1,18 inch The package includes: 1 audio receiver 1 RCA Lotus cable 1 audio cable AUX