Double Chip Decoding: Features CX31993+MAX97220 chipset for hifi 32bit/384kHz auditory decoding, delivering sound and detail that surpasses built in phone perfect for audiophiles. Smart Impedance : Automatically adjusts output up to 2V to headphones of varying impedance, ensuring optimal power for earbuds, over ear headphones, or studio monitors without noise or distortion. Low Distortions: Boasts 95dB THD+N clear auditory with minimal interferences, enhancing vocal clear and instrument separation for WiFi listening. Portable Design: Lightweight metal body (25g) with braided cable and plug and play Type C connectivity, compatibles phones, tablets, and laptops for on the go auditory enhancement. Package includes: 1PC auditory decoding amplifier