Lasting comfort and easy controls the plantronics m70 bluetoothreg headset is so lightweight and comfortable you may forget yoursquore wearing it during set up you simply follow the voice prompts to select one of three languages for the audible status alerts on talk time battery level connection and more you can also control music tracks and volume without touching your smartphone if you leave it in the car or at the office the m70 will enter deepsleepreg hibernation mode to cons