- Bluetooth Audio Receiver/Digital to Analog Audio Converter/Optical Coaxial Audio Converter\r\n- Wired to Wireless, Turn Your Wired Speaker Into A Bluetooth Speaker.\r\n- 10 Meters Barrier-free Transmission, Stable Signal.\r\n- The Bluetooth 5.0 model transmits more clearly.\r\n- HD Sound Quality, Lossless Output ,Low Latency, High Fidelity, No Noise, Restore CD-level HIFI Sound Quality.\r\n- Output interface: 3.5mm AUX/RCA Stereo\r\n- Input interface:Coaxial Input/Optical Input/Bluetooth Connect\r\n- DAC Mode For TV/PC/Projector/Power amplifier/TV Box/PS4/PS3/DVD.