End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
差很大!影片展示 iPhone 在更換電池前後的速度表現! https://qooah.com/2018/03/06/iphone-6s-before-and-after-new-battery/