1. Pure digital output, 24-bit 192kHz high specification with dynamic range and signal-to-noise ratio exceeding 120dB 2. Supports multiple audio formats including APE, FLAC, 7.1 DIGITAL, and DTS for high bit rate and multi-channel playback 3. Excellent anti-interference performance in digital transmission; when used with optical fiber, electromagnetic and ground interference are minimized, resulting in improved sound quality 4. Dynamic range exceeding 120dB 5. Reverse polarity protection, pure digital output 24-bit 192kHz Type: Portable optical fiber daughter card Input: Optical fiber (SPDIF), USB Type-A Output: RCA PCM word length: 24 bits PCM sampling frequency: 192 kHz Size: 121x80x18.8mm Material: Metal Color: Black Package Contents: 1 x 24Bit 192KHz 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 to vary slightly from the real thing. Measurement allows an error of +/- 1-3cm