Along with Bluelounge's Kii, ChargeKey ($25) from Nomad is one of the smallest Lightning cables available on the market. This one is based on a similar concept — a cable built into a key-shaped design — although there are some differences. Instead of using any sort of cap, ChargeKey leaves both its plugs -- the slim USB plug, and the unlicensed Lightning connector -- exposed at all times. A small piece of plastic serves as a latching point for…
