Charging
While the battery life is still 18 hours, as it was in the Series 6, the Series 7 charges 33% faster, per the Keynote. It’ll also only take eight minutes of power charging to track a full eight hours of sleep.Screenshot via Apple
WatchOS 8
You don’t need to upgrade your Watch to get the benefits of the latest operating system, which updates how the Watch tracks cycling — hello, Peloton nation — improves the Wallet app, and will feature a full text keyboard. WatchOS 8 rolls out on Sept. 20.
