If the smartphone is the centre of our universe these days, then a pair of wireless headphones (or earphones) is the satellite we can’t do without. It is so central to using a smartphone now that most phones now don’t have the 3.5 mm headphone jack. Companies now expect you to invest in a pair of wireless headphones on your own, and they are now fairly cheap to get hold of. One can probably get a pair for just Rs 500, and that too with a decent battery backup.
If you prefer something a little more evolved, then you can always