Prepare an updated S-series Sony Walkman?

Resource Sony Insider has published a photo of the new portable media players, Sony Walkman. According to the source, the image illustrates the future model of S-series - one of the most successful lines of Sony Walkman. The photo shows that the devices are assumed to at least three or four colors and with the deployment of built-in speaker on the front panel. So far there is no information on the timing of release of these models, but says that they have to wait.