Speaker with Led screen: Support FM+U-dis.+TF card WIth Line-in,External battery High-fidelity speakers,and sound more nature  Detailed Product Description 1.USB speaker with FM 2.Build-in Li-battery 3.Spport FM/SD/MMC 4.CE/FCC/RoHS avaliable 5.Stereo sound   

Portable USB Speaker

 

 

 

Specifications:

 

Can be work with MP3/4/Computer/Mobile through 3.5mm audio jack

 

With FM radio and with card slot, can support SD/MCC card and USB disk

 

Built in Li-battery and rechargeable

 

Power supplies are DC,USB and battery

 

Parameter

 

Frequency response:275Hz-20KHz

 

Impedance:4Ohm

 

Signal-to-Noise Ratio: more than 60 db

 

Work with any audio player with 3.5mm audio jack

  

digital speaker