Featuresr absaluminum alloyr exquisite workmanship made of high quality aluminum shell and abs simple elegant design portabler r solidcompactr compact fashionable and practical sealed and solid square body ensures shockproof dustproof abrasion resistant anti skidr r crystal soundr small body large volume smart voice system and audio amplifier incredible stereo sound with full range output crystal clear articulate high end pure clear and clean voicer r 1200mah battery 6 7 hours en