 
    Specification:
Mini speaker, USB speaker, MP3/4 speaker 2.0 digital active speaker system
Output power: 3W*2 
Input power: USB power
S/N: > 85dB 
Left/right: 2" speaker 
Frequancy response: 45Hz--18KHz 
Impedance: 4 ohms 
Built-zoom mode, pure sweet sound
High-security magnetic speakers, aesthetic quality 
Polishing process panel, aesthetic visual