1.Mini speaker 2.Nice design with different face 3.Good sound quality 4.speaker for pc tablet

*Power output: 3W*2RMS*Speaker: 4Ω 3W*input sensitivity: 400mV*Distortion: ≤0.2 %( 1W 1KHZ)*Frequency response: 80Hz-20KHZ*Separation:≥78dB*S/N Ratio: ≥80dB*3.5mm audio output jack*Power Voltage: USB/DC 5V*Optional external power supply (DC5V-1.2A)

2012 Best selling mini usb notebook speaker