Pyrus Electronics / Sigo (TM) 8gb Mp3 / mp4 / mp5 Player with 4.3 Inch Touch Screen - Black Screen resolution - 480 * 272 Size: 112.6mmL75.2mmW13.6mmH Battery Life: Music - up to 10 hours; video - up to 4.5 hours Music / Video / Game / Text Reader / Photo Playback Replaceable battery - You can use Nokia Nokia BL-5C Battery to replace the factory battery if needed. Amazon has those available