1.Anti-reverse protection; Pure digital output 24bit 192KHz2.Fit for multiple Motherboards ,,...3. SNR, dynamic range exceeds :120db4. Richer support: APE/FLAC/DOLBY digital7.1/DTS5. More pure sound quality, Excellent digital transmission immunity; If combined with fiber optic transmission, it can basically prevent electromagnetic interference and wire interference. Sound quality can be greatly improvedModel Number: -014Outputs: RCAInputs: Optical (SPDIF)Inputs: USB Type-APCM Word Length: 24-bitPCM Sampling Frequencies: 192 kHzType: PortableType: Fiber daughter cardColor: Black Material: metal, pcPackage Contents:1 * SPDIF RCA Out Daughter CardOnly the above package content, other products are not included.Note: Light 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.