- Professional ES9038Q2M DAC chip. - Support 32bit/768kHz, DSD512 hard decoding. - RT6863 independent headphone amp chips. - 3.5mm single-ended and 2.5mm balanced headphone jacks. - Impedance mode and physical switch volume control. - Strong compatibility with the design to change cables. - Indicator light for music multi-sampling rate modes. - Compatible with mainstream mobile phones, tablets and computers. - Mini durable aluminum alloy chassis. - Hi-Res certified for high frequency resolution sound quality.