USB Mini speakers 1)Bass&treble stero sound speaker 2)2x2.5W speaker 3)with USB cable&audio line 4)Laptop PC Mobile MP3.

Popular USB Small /Mini Speakers

Detailed specifications for apple style usb mini speaker

Basic functions

*Built-in active amplifier*Fascinating apple model in green and red color *Florid LED light in single color and 7 color.*2-Channel stereo speaker system enjoy music throught*Conveniently powered via  USB cable  

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)*Accessories: USB cable, audio cable 

More colors and pictures are follow: 

Popular USB Mini Speaker