For Raspberry Pi 2B / B / 3 HIFI Digi+ Digital Sound Card I2S SPDIF Optical Fiber With Case Digital Sound Card Features: The HIFI DiGi is compatible with for Raspberry Pi 3 model B+/ 3B / 2B/ B+ / A+. It use the I2S interface rather than USB, which supports 16-24 bit Audio data formats and apply the high-end digital chip WM8804G from Wolfson Company. Sampling Rate more than 192kHZ, advanced Shake reduction technology can control the Intrinsic period jitter within 50 ps RMS. Users can build up HIFI player by the system of volumio, xbmc etc. It provides S/PDIF and RCA output Interface in order to connect the Amplifier and so on. Support controlling the volume via hardware (I2S) Power supply comes from for Raspberry Pi, which adopts type filter Power, can reduce the interference. Power Indicator is easy for observing the expansion board. IR receive function Material:plastic colour:Black+blue Package Contents: 1 * HIFI DiGi+ Digital Sound Card 1 * Enclosure box Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.