Digital to Analog Audio Converter, Convert Coaxial/ Toslink/ Optical to Analog L/R Audio, with 3.5mm Audio Output, It can Connect to the Headphone, Headphone Amplifier Function. With IR wireless remote control, easily adjust volume/ choose coaxial or toslink input/ Mute/ Power ON or OFF by using the IR wireless remote. In order to received signal better please make sure the remote is facing the infrared IR indicator on the converter. High quality case, lightweight and compact. Anti-interference function makes the sound pure and clear. Support Audio Format: PCM Signal-to-Noise Ratio: 105DB Separating Degree(1KHZ): 94DB THD+N: -90DB Total Harmonic Distortion(THD): 10Hz-20KHz 0.25-0.065% Blocking Time: 0.577Fs Sampling Rate: 32-192 KHz Bit Rate: 16-24 Bit Input Electrical Level: +/-0.3V Output Electrical Level: 3V Maximum Output Power: 0.3W Earphone Output Power: 0-250mW Output Impedance: 10 ohms Working Voltage: +5V Weight: 160g Please NOTE: 1. SET your TV's Audio Output to the PCM/LPCM Format. 2. This converter doesn't Support 5.1 Channel Such As Dolby and DTS. 3. PS4 Pro and PS4 Slim CANNOT use this converter as they haven't Optical fiber output interface. 4. For Samsung TV, if there is no sound even you set the audio output to the PCM/LPCM format, please turn ON the TV external speakers (Menus-Sounds- Speaker Setup- HESB/external speaker-ON) colour:Black Material:metal size:11.5 x 6.2 x 1.9cm Package Contents: 1 x Digital to Analog Audio Converter 1 x IR Remote Control 1 x Toslink Cable (Optical Cable) 1 x USB Cable 1 x English manual