... turns on and off Portable Music Magic Box Speaker 1.IntroductionThis product is applicable to any ... kinds of digital product with external speaker as cellphone ,mp3,mp4,,ipad Iphone5 4S, ... Just simply put your mobile phone on the speaker the sound will be magicallyamplified. 2.FeaturesMagically amplifies ... When 3 AA batteries are first inserted,the speaker will stay in its default Standby mode. ...