1.Anti-reverse protection; Pure digital output 24bit 192KHz 2.Fit for multiple Motherboards ,,... 3. , dynamic range exceeds :120db 4. Richer format support: APE/FLAC/ digital7.1/DTS 5. More 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 improved Model Number: -014 Outputs: RCA Inputs: Optical (SPDIF) Inputs: USB Type-A PCM Word Length: 24-bit PCM Sampling Frequencies: 192 kHz Type: Portable Type: Fiber daughter card Color: Black Material: metal, pc Package Contents: 1 * SPDIF RCA Out Daughter Card Only 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.