Details information:

1.for use with:mobile phone/ipodpsp/mp3 mp4.

Technology parameters:

1.out put:rms 3wx2.

2.frequency response:100hz-20khz.

3.s/n radio:>=85db.

4.lond speaker:1.5"x3w/4ohm.

5.input:3.7v.

6.built-in rechargeable. 

Packaging:

Speaker size:. 190x50x120mm.

Carton size:. 65x35.5x43 cm.

Weight:. 520g.

Quantity:. 60pcs/carton.

N.w:. 31.3kgs.

G.w:. 32.8kgs.

Accessory:

Usb cable,audio cable.