Dimensions: 5.5 x 2 cm Weight: 15g Frequency Response: 20Hz~20kHz Sampling Ratio: 32bit/192kHz, DSD64 Two-layer PCB for low impedance and good conductivity, improving sound quality; Active Crystal Oscillator for low noise and high stability; Gold-plated USB Connector for good transmission rate and conductivity. 1. Two-layer PCB: Low impedance, good conductivity, improves sound quality 2. Active Crystal Oscillator: Low noise, high frequency accuracy, high stability 3. Gold-plated USB Connector: Low impedance, high conductivity... Good transmission rate and conductivity 4. Overall listening experience: High frequencies are detailed and clear; mid-frequencies are sweet and well-defined; low frequencies are rich and elastic; the entire frequency range is transparent, musically smooth, with a deep and wide soundstage and clear layering. 5. ESS ES9023P: The ES9023P boasts a dynamic range of 127dB DNR, capable of revealing musical details; and an ultra-low distortion of -120dB THD+N, better restoring the essence of music and meeting the performance needs of even the most demanding audiophiles. 6. PCM2706: The PCM2706 is a high-performance audio stream processor that supports up to 32-bit/192K and DSD64 sampling rates. Color: As Shown Material: plastic Package Contents: 1* DAC Decoder 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.