Featuresr exquisite workmanship made of high quality aluminum shell and abs simple elegant design portabler compact fashionable and practical sealed and solid square body ensures shockproof dustproof abrasion resistant anti skidr 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 built in rechargeable 1800mah high capacity battery backup energy saving about 15