Good sound LED lamp speaker in high quality warranty

Feature: 

* Built-in active amplifier
* 2-Channel stereo with 3D sound effect and passive bass boost
* Conveniently powered via  USB cable in length 1.4M 
* Easily control volume with VOC on the back
* Size:68×131×147mm, 
* weight: 1.13kg

Specification:

* Power output: 3.5W*2RMS
* Input sensivity:600mv
* Speaker size: 2"*2
* Frequency response: 120Hz-20KHZ
* Distortion: ≤0.5 %
* Separation:≥75dB
* S/N Ratio: ≥80dB
* 3.5mm audio output jack
* Power Voltage: USB/DC 5V
* Accessories:USB cable, audio cable

Other details:

* USB & Audio cable : 140cm in total 
* conntecting  cable :120cm 
* aluminum  LOGO  
* inside magnetic trumpet 
* with diaphragm 

Packaging:

* QTY: 12PCS/CTN
* Gift box: 180×175×135mm
* Carton: 695×374×370mm
* N.W./CTN: 16KGS
* G.W./CTN: 17KGS