The new prior art definitions apply only to applications filed on or after that date, and where the application does not claim entitlement to an earlier filing date.
This is anapplication, so most of what today's filing tells us is certainly not set in stone, but new ideas include a "kinetic energy gathering component" within the band -- like the trickle charge feature found on watches -- to pump energy back into the device.
If you need more time, you can request an additional four month extension by filing federal form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return (downloads as a pdf) by June 15.