These lightning cables glow. Why is that necessary? Two reasons. One is obvious: they serve as a nice little nightlight in case you need to grab your phone in middle of the night. The second is innovative: the lights in the cable flow to demonstrate how fast your iPhone or iPad is charging. The faster the flow, the faster the charge.
These Chargers Light Up To Show How Fast Your iPhone Is Charging
11:08 AM 11/25/2017