Macara speaker
Power Supply:5V USB port from PC/MAC(Optional:DC5V/500mA adapter)Frequency Response:150Hz-18KHz;
S/N : >=71dB

39330174

fashion and classic designed Macara mini speaker

Power Supply:5V USB port from PC/MAC; (Optional:DC5V/500mA adapter)
Frequency Response: 150Hz-18KHz;
S/N :  ≥71dB;
THD:≤0.5%;(1W,1kHz)
Output Power: 3.0W(MAX);
Rated Impedance:4 Ohm