The core of F70Q is a white glossy plastic box similar in footprint to the iPhone 4 and 4S, only twice as thick. On top is a single button styled like the Touch ID Home Buttons of the latest iPhone models, replacing the stainless steel ring with a circle of four surrounding lights that indicate remaining power levels. Turning F70Q on or off is as simple as pressing the button once; the light also comes on automatically when the battery is plugged…