It has Li-polymer battery that can be fully charged in less than 2 hour and provides an impressive 4-hour talk/play time with 70 hour of standby on a single charge
It can connect with two devices simultaneously with ease. It is just 4 grams of weight, you will not feel awkward wearing it in casual of formal situations
Harmonics talky S uses latest and most power efficient bluetooth 4.2 which does not drain the battery of your phone very fast
Harmonics Talky S has strong magnetic speaker with acoustic echo reduction technology and enhanced noise cancellation technology to reduce the noise and enable clearer audio for the listener on the other side of the call