I join your voice.Join your voice to mine in requesting a visible charge indicator on the M Class that is more than the little symbol on the battery indicator. If you use the USB charge at all, it is an essential indicator. I would like to see a progress indicator and a "charge complete" indication. You shouldn't have to unplug the USB just to see of the battery is fully charged.
Email Yihi today!
It's essential to know when the battery is fully charged