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