... radio2,Buil-in LAN-IN port,to connect MP3,laptop ,MD,CD etc;3,DC, USB,battery can provide power; ... items damaged and/or misused after receipt). Accessories come with a 3-month warranty.2. Defective items MUST BE reported ... order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.You agree to all of the above ... Battery Speaker For MP3 ,cellphone,Computer, laptop and pc with FM Radio