output power:3W*2

frequency response；150hz-18khz

horn size:4inch*2/4Ω

built-in battary:lithium battary3.7v/800ma

input power:5.0v

with bass and treble control founction

with karaoke function(2mic input)

with disco light

with led display

random accessories:usb charging cable,3.5mm audio cable,remote control

speaker function:support pc audio input,sd card,usb and fm radio function

size:180*158*355mm

meas:740*395*415mm(box/8unite)