Feature 1Standard Design: Single chip USB stereo audio DAC with full speed controller that conforms to USB and S/PDIF standard protocol. 2Easier Decoding: Adopting excellent structure, the stereo decoder module can restore audio clock from USB packet, very reliable. 3Perfect Fitting: The USB to I2S DAC module has wide compatibility, which supports single ended headphone output and S/PDIF output. 4Stabler Playing: Through PLL analog, the stereo audio decoder module enables low clock jitter playback for highly stable playing. 5Easy to Install: Comes with a light weight and a compact size as well, the PCM2706U2 DAC module is very convenient to install.Item Type: Stereo Audio Decoder ModuleVoltage: 5VDigital Input Clock Frequency: 12MHzInput Current from Any Pin but Power Supply): 10mAEnvironmental Temperature Under Bias Voltage: -40 to 125Storage Temperature: -55 to 150Node Temperature: 150Welding Cable Temperature: 260, 5s. Peak Packaging Temperature Under Infrared Reflow Soldering: 260 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Stereo Audio Decoder Module2 x Pin Header