... speaker pocker speaker 2,digital portable speaker 3,USB Li-ion battery 4,accept paypal, 5,frequence: 80-2000HZ ... connect MP3,laptop ,MD,CD etc;3,DC, USB,battery can provide power; 3W dual voice ... misused after receipt). Accessories come with a 3-month warranty.2. Defective items MUST BE ... 88365064 Low price portable speaker Mini Pocket Stereo Li-ion Battery Speaker For MP3 ,cellphone,Computer, laptop ...