Description: 【192K Digital to Analog Audio Converter】This dac 192khz digital to analog audio converter converts an optical coaxial digital audio signal and a Bluetooth receiver to a stereo analog signal, help users connect high quality digital audio signals to common AV amplifiers. 【High Performance】192khz digital to analog converter, Built in high performance DAC chip, supports 192K/24bit sampling rate, stable performance, long service life. 【Bluetooth Receiver】DAC converter digital to analog, Built in Bluetooth 5.0 version chip, support Bluetooth AAC, SBC, with external Bluetooth antenna, stable signal transmission. 【Support RCA and 3.5mm 】Optical to rca converter, Supports RCA Audio and 3.5mm headphone, with volume Control Knob, adjust the output volume of 3.5mm+RCA(R L)Jack aduio. 【Wide Compatibility】Audio Adapter, Widely Used for Tablet PC, Blue ray DVD, Game Console, HDTV, suitable for home theaters, teaching, training institutions, conference rooms, home appliance stores etc. Specification: Material: ABS plastic Size: 84mmx89mmx29mm/3.31inchx3.50inchx1.14inch Package Includes: 1Pcs Digital to Analog Audio Converter 1Pcs USB Cable