Bluetooth 5.1 Transmitter Receiver for TV, 4-in-1 Wireless Bluetooth Adapter with Optical AUX RCA 6.5 Mic Connection, Low Latency NFC Audio Adapter with FM Radio Simultaneously for Home Party KTV

[4 in 1 Bluetooth Transmitter] It is a Bluetooth transmitter and a Bluetooth receiver. In TX mode, the bluetooth adapter converts wired audio source to wireless audio for bluetooth speaker/etc bluetooth audio output. In RX mode, the Bluetooth receiver supports wired audio output from CD players/home audio/car audio, and plays wireless audio from Bluetooth audio sources such as mobile phones.; [KTV singing, FM radio function] It has RCA and AUX input and output connections, and supports FM antenna, Bluetooth antenna and 6.5 mm microphone interface. Compatible with 99% TVs, suitable for family KTV singing parties