Then they will patent the color and shape. lol
Well they could patent the band charging system.
Of course my guess is only a guess. It might even be later on for a iphone-free capability to make phone calls without the iphone. Dunno.
Human sweat and all fine motor motions of the human body, including but not limited to translations, rotations, stretches, tics, spasms and all other movements voluntary and involuntary patent applied for by Apple Inc.
Sit very still or talk to our lawyers.