Their page does a lot of "telling" but not enough "showing". I want to see a hands-on demo of all of the main features, before I could be convinced to back thi

Their page does a lot of "telling" but not enough "showing". I want to see a hands-on demo of all of the main features, before I could be convinced to back this. Additionally, issues of charging, pairing, and sizing don't seem to be addressed.