mini speaker,laptop speaker 1,DC 5V 1A 2.USB power 3.RMS:6W 4.Mini speaker for PC and notebook.Built- ... in active amplifier Mini speaker, ipod speaker, iphone speaker, plastic speaker, mp3 speaker, multimedia speaker,laptop speaker,USB speaker Mini speaker for PC and notebookBuilt-in ... 2×3WPower:5V/1ASNR:>85dBPower suppllied by Computer USB port Product size:70.4*79*70mmBox size:162*95* ...