Blaupunkt wireless earphone BE01 comes with 90mAh battery & Real Tech Microprocessor, which will provide you 14 Hrs of playtime & upto 140Hrs of standby time. Its 6 mm dynamic drivers produces the best high definition sound which optimize the highs & mids. Blaupunkt BE01 is ultra-lightweight, it just 10gms & still packed with technology. Small enough to weight nothing but big enough to pack a punch. It is IPX7, so impervious to sweat, water, moisture, dust & all the other stuff life can throw at them. BE01 Floatz silicon mic is a state of the art feature, which redefines the conversation clarity to highest levels & remote controls is in your hand for convenient usage by simply pressing the buttons the earphone play, pause, calls, change tracks, etc.