Humanized design. Take out earphones, it is on automatically. Automatically match and automatically off. Sensitive touch changes traditional button and allows you to get rid of button design. Adopts high quality speakers, soft music, even the highest volume, it would not harm your ears. Adopts ASB+PC material, it is anti-scratching, comfortable touch feeling, smooth like jade. Magnetic flip prolongs the service life of charging case, in case of earphone falling and being damaged.