usb speaker system with wooden  informations:

1)  Loudspeaker for iPod,MP3,MP4,MP5, computer,mobile phone music player;  
2)  Maximum support SD card/USB-Disk with 32GB ;                                                                            
3)  Support audio input & output function;                             
4)  FM radio with metal antenna;                                                                                          
5)  Built-in  charged 1200 MA of lithium battery (with double protection board);                      
6)  Remote control (option);                                                                            
7)  Support Nokia 4C/5C battery at the back.                

usb speaker system with wooden 

Wood usb system speaker with Loudspeaker for iPod,MP3,MP4,MP5,PC,Laptop/Notebook,Mobile phone,etc...all kinds of digital player devices.Build-in lithium batter with 3-4 working hours