... the inner battery to light LED and charge your mobile phone, digital camera, MP3, MP4 and other digital products ... or outdoor lighting, hunting, travelling on foot and camping, military, guard, traffic prospected and on emergency job.3,Convenient ... outer box: 75*33*155mm12,Accessories: Five kinds mobile phone adapters(mini USB, LG chocolate, NOKIA N73, Sony ... is compatible with MP3/MP4 and mobile phone