Featuring gold plating process and arc wire, this product can ensure the impedance of the signal continuity and reduce the signal reflection and refraction.This product is characterized by high-end PCM5122 chip, I2S interface, isolated power supply design, double color LED and perfect compatibility, which enables it to provide you with nice usage experience.Made of high-quality plastic and metal material, it is lightweight and durable to use.The length of this product is 10cm, the width is 8cm, and the height is 2cm.It is suitable for Raspberry PI B+/2B version. It is welding-free, can direct plug to expansion board. And it has an infrared receiver interface.Item Name: Sound CardMaterial: Plastic, MetalColor: BlueSupported Function: -FLAC, WAV, MP3, AAC, ALAC, PLS-Music Libraries on NFS and USB drives-Webradios Support Out of the Box-Control It via Integrated Webui with PC, Smartphone, Tablet-Airplay Capability-Ramplay Support-DSD Native Playback-Multiroom Playback via Android App-Output Playback Device Selection-Wireless Network Configuration-Various Resampling Options, up to 32bit/384khrtzAudio Output: Via HDMI-compatible, USB, Analog Jack, S/PDIF, I2S (B+)Root User: Root Password: VolumioUser: Volumio Password: Volumio Features: Professional, Long-lasting, Perfect CompatibilitySize Details: 10cm x 8cm x 2cm/3.94" x 3.15" x 0.79" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Sound Card