High-quality USB DAC & Portable Headphone Amplifier;During PC connection is carried out directly to the output bypasses the audio processor DAC direct mode is also equipped with;High-quality audio playback is possible aptX, NFC support Bluetooth equipped of AAC support;A USB host port equipped, also supports USB digital connection to the iPhone or Android smartphone, etc.;Two headphone output corresponds to the maximum of 600テ篠ゥ impedance, high impedance headphones also can be driven