How does apple watch delete SMS synchronously with iPhone?

At present, the information of Apple Watch cannot be synchronized with iphone, and can only be deleted one by one.

Apple Watch has a sapphire screen and has two screen sizes. It supports dozens of functions, such as telephone, voice message, car connection, weather and flight information, map navigation, music playing, heartbeat measurement, step counting and so on. It is an omni-directional health and sports tracking device.

Apple Watch has a variety of personalized dials, allowing you to change and customize settings at will. On the customized dial, you can add practical information such as weather and next activity. Can display the user's heartbeat information.

When Apple Watch is used with iPhone, the error with global standard time is less than 50 milliseconds.

When receiving the notification, Taptic Engine will immediately remind you through Tap.

Apple Watch can send sketches, taps and heartbeats to other Apple Watch users through digital touch.

Every Monday, Apple Watch will suggest new sports goals for users based on last week's activity data.

WatchKit:WatchKit SDK allows developers to tailor various new application experiences for Apple Watch.

China applications: WeChat, Weibo, Alipay, Meipai, Ctrip, etc. Alipay wallet in Apple Watch provides the functions of "ANT FOREST Energy" such as balance treasure, payment code, exchange rate, exchange, public transportation and one-click payment.

Other applications will be simplified accordingly, and only the functions that are more suitable for wearable devices will be reserved.