... ,built-in Lin-ion 4.USB cable Features: This portable vibration speaker can link to MP3, MP4, Notebook, CD, DVD, Mobile ... connection, support: MP3/MP4, computer, music mobile & iPod, etc3)Stereo sound design, excellent ultra-low sound4)High-efficiency digital Amplifier, enjoy ... fifthgeneration iPod models· 3.5mm Audio cable· Instruction manual portable vibration speaker