Unno Tekno Thunder USB Stereo Desktop Speaker

2.0 stereo audio.
Maximum output (W): 10.
Driver unit diameter (mm): 66.
Frequency range (Hz): 90 - 20K.
Impedance (Ohm): 3.
Sensitivity (mV): 620 +/- 10%.
Signal to noise ratio (dB): 30+.
Audio connection: 3.5 mm.
Power cable: USB (attached).
Weight (oz): 16.5.
Dimensions (in): 4.0 x 4.3 x 4.2.