The DT-01 allows you to convert USB audio from your phone or tablet into coaxial, optical, or analog signals. This functionality makes it easier to access current pop music from mobile devices and deliver high-quality sound to high-end decoders, amplifiers, or active speakers. Supporting up to PCM 32Bit/384kHz and DSD256, the DT-01 ensures exceptional audio fidelity. Designed with user convenience in mind, the DT-01 features colorful indicator lights that show the song sampling rate in real-time. The DT-01 includes a charging switch, enabling you to charge your phone while the device is in use or turned off. The DT-01 includes a volume control for the AUX output, acting as a pre-amp and eliminating the need to adjust the speaker volume. It also features a headphone output port, allowing for private listening without disturbing others with an output power of up to 350mW.