DAC dual chip: dual-channel low-power high-performance DAC, decoding chip CS43131 In-depth analysis: support PCM 384kHz/32bit and DSD64/DSD128/DSD256 Support recording: capture more audio details and provide a clearer sound experience 3.5+4.4 dual output: 3.5mm single-ended and 4.4mm, balanced output dual headphone interface Multi-function button: simple operation, easy experience 8-band EQ flexible adjustment: support WALK PLAY APP EQ linkage DAC chip: CS43131 x 2 chip USB type: Type-c USB2.0 Support specifications: 32bit/384kHz, DSD256 Indicator color: blue, green, red Operating voltage: 4.5v-5.25v Total harmonic distortion: -108db (RL=32Q single-ended, 100mw) Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color: black Material: Metal Package Contents: 1 x digital audio decoder