portable professional aluminum tube audio speaker ,mini speaker

Mini speaker audiospeakers: 1.FM radio function 2.Free of remote control 3.support SD/USB/FM 4.Can be charge directl

audio pro speakers description ,mini speaker

function

1.Material:Aluminum2.Newmini aluminumvibration film loud speaker,which has clear and pure woof3.Several power supply manners including battery,computer USB,adaptor DC-5.5V allow you to enjoy the charm of digital products at any time.4.can be connected with MP3,MP4,CD,DVD,GPS,PSP,mobile phone, notebook computer. 

Parameters:

1.Output:3W*2               2.Frequency Response:90HZ-20KHZ   3.Loudspeaker specification :4Ω*3W, ,4.Power supply:5V 5.S/N: ≥70db,6.external li-ion battery:3.7V,800MA7.Distortion:0.10%,at 1w 8.Separation: 45dB 

Accessories:

1.USB power supply cable2.3.5mm-3.5mm stereo connect cable

Package:

1.packing:color box+carton box2.Qty/Carton:50Pcs,3.colorful box size:190*100*95MM 4.product size:173MM*52MM*52MM(L*W*H)