Premium CX31993 : CX31993 Chip Hi-Res Lossless Music Audio Adapter, ensuring pristine sound reproduction.Enjoy 32-bit/384kHz Hi-Res audio. Compact & Portable: The Audio Portable Decoder is housed in a aluminum alloy casing, ensuring durability and efficient heat dissipation,you to enjoy Hi-Fi sound on your mobile devices. High SNR & Low +N: CX31993 Dongle Headphone Amp With a signal-to-noise ratio 128dB and total harmonic distortion + noise less than 0.0003%, ensures ultra-clear, vibrant audio. Connection wire material: Audio Decoder Converter Cable Adopt 4 strands of parent sterling silver, 4 strands of parent blue mixed, a total of eight strands of sterling silver.Enables stable Hi-Fi audio mission.<br><br>Product Name:CX31993 Type-C To 3.5mm Decoding Digital Audio Adapter Interface A: Type C Male Interface B: 3.5mm Headphone Jack Decoding Chip: CX31993 Power:65mW sampling Rate: 32bits/384KHz Signal to Noise Ratio/SNR: 128dB Dynamic Range/DNR: 120dB Distortion/+N: 95db + N: 0.0003% Color:As Shown Material:Plastic<br><br>Package Contents: 1 * USB headphone adapter cable<br><br>Only the above package content, other products are not included. Note: Light reflection 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.