... iPad, MP3, MP4, Notebook, CD, DVD, Mobile phone,IPOD,iPhone&iPhone 3G&4 can be charged when ... computer, handheld game systems, other audio devices equipped with 3.5mm audio jackEach speaker contains built in amp ... powered by rechargeable batteryIncludes speaker cable with USB plug for charging speakersVacuum bass design for ... included. sound box amplifier small speaker for bluetooth cell phone