With A Bluetooth 5.0 Audio Transmitter And Receiver, Prozor 192Khz Dac Digital 192kHz DAC, supports signal conversion from digital optical coaxial audio to RCA 3.5mm analog audio. Supports 192K / 24bit sampling rate.(Bluetooth decoding format: aptX-LL, aptX-HD, aptX, sbc) Built-in Bluetooth version 5.0 transmitter and receiver, adoting high-tech Bluetooth module, the transmitter mode supports the simultaneous connection of 2 pairs of Bluetooth headsets or Bluetooth speakers; The receiver mode supports the connection of mobile devices such as mobile phones and ipads. Support aptX HD, aptX HD audio can ensure that compatible Bluetooth devices provide high definition (HD) audio. It will retain sound data during the entire audio transmission process, thereby bringing a "better than CD" listening experience. NO LIP-SYNC DELAY, supports aptx low-latency codec, almost eliminates audio-visual delay, making our product an ideal choice for watching TV/movies. For best results, please use it with headphones/speakers that support aptx Low Latency. Easy to use, the product has a connection status/audio decoder indicator, making it easy to set up and use. Compatible with all devices with optical coaxial output interfaces, such as TV, DVD , game consoles, stereos with RCA, 3.5mm input interfaces, earphone equipment.