mini usb speaker/usb speaker/mini speaker 1. usb speaker 2.mini speaker 3.good looking mini usb speaker.

mini speaker \ usb speaker\mini usb speaker

 MODEL: R15

output  power	2.5W+2.5W (RMS)
Signal-to-Noise Ratio	≥ 72dB
Frequency response	140Hz-20KHz
Distortion	≤5%
Input sensitivity	350mV
type	Portable mini active speaker
function	Read UDisk SD card and Radio function
Control mode	keying
Power-supply modes	li-battery / USB dc 5v
Horn unit	Full Range Speaker  1.5inch 4ohm 5watts

mini usb speaker