The $79 dock features a built-in “charging puck” that receives power via a Lightning cable. With a battery life of about a day, convenience charging is crucial for Apple Watch users.
“Ever since Apple introduced Nightstand mode in watchOS 2, having a charging dock for the Apple Watch makes sense. A dock can hold the Watch in place while you sleep so that you don’t have to put it on the side and attach it to a charging cable like an animal.”
