portable mini laptop mini speaker

1 Mini speaker
2 Pure and elegant sound quality
3 USB bus-powered capability
4 good design
5 pc/mp3 /mobile speaker

portable mini digital laptop mini speaker

Futures:
*Mini speakerl for PC and laptopD
*Built-in active amplifier
*USB bus-powered capability, no adapter required
*Pure and elegant sound quality
*Conveniently powered via with USB cable
*Easily control volume with VOC on the back
*Durable for long-term use
*Size:70×72×72mm, weight: 0.6kg
*OEM color and logo print are welcome


Technical specifications:
*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)