With universal connectivity, Allegro adopts USB Type-C interface, compatible with most Android devices (version 5.1 and above) to provide a simple plug and play experience.This universal compatibility makes it a versatile choice for a wide variety of users.Alegro boasts a THD+N at just 0.0015% at 32 ohms and has less distortion.Combined with a wide frequency response and superior signal-to-noise ratio, Alegro has clean, detailed, colorless sound.