Apple says that adding this device to the iPhone results in powerful capabilities

Apple has debuted a new marketing campaign that . Instead of just marketing one of the two popular devices, Apple writes, "Add them together. Multiply their power." That's right. If the iPhone and the Apple Watch are powerful individually, imagine what they must be like when you put them together. Apple already has envisioned this for you.

Apple says that 1+1 equals more than 2 when combining an iPhone and an Apple Watch

The website says, "Get directions on iPhone and a tap on your wrist when you need to turn. Check your heart rate on Apple Watch and track it ...