... into a perfect music world.l Mini, portable digital speaker for your convenience, connecting to your MP3,MP4, CD ... , GPS, PSP, mobile phone, notebook computer, Hi-fi speaker, U-disk and TF card.l Perfect combination of NANO ... THD=10%l Frequency response: 150-18000HZ(±3Db)l Signal and noise ratio of power amplifier: ≥80Dbl Loud speaker 1 ... size45*35*31cm 2013 new promotional card mini speaker with computer