Sound card with multiple functions such as 16 kinds of sound effects and 8 kinds of effect modes. DSP sound effect chip, tuning button, 16 kinds of sound effects, elimination of original sound, live singing, avoiding a button, real-time monitoring, large capacity battery. Powerful DSP audio dual chip, better stability, better signal, clear sound quality without delay, new upgrade. It has a grinding feel, scratch resistant, comfortable and delicate touch. Support mobile phone computer usage and single headset usage.