High-performance chip ES9038Q2M ensures superior audio quality with low total harmonic distortion ( ≤ 0.001% @ 1kHz). Supports multiple output options including 3.5mm headphone, 4.4mm headphone, and 3.5mm line out/OPT for versatile connectivity. Impressive signal-to-noise ratio (SNR) of up to 120dB for 3.5mm headphone in high gain mode, providing clear and detailed sound. Wide headphone matching impedance range of 16-300Ω, making it compatible with various headphones for optimal performance. USB Type-C power input with 5V supply and high sampling rates of 32Bit/384KHz DSD256 for PC-USB and 24Bit/192KHz for OPT. This audio device is designed for audiophiles seeking high-quality sound reproduction. With its advanced technology and multiple output options, it caters to a wide range of headphones and audio setups. The device's low distortion and high SNR that every detail of your music is captured, providing an immersive listening experience. Its compact design and USB Type-C power input convenient for use with modern devices. Color: Black & Orange Material: Aluminum Alloy Package Contents: 1x Headphone Amplifier 1x USB A/C to USB C Cable 1x User Manual(English) 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.