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.
YC61舞台電鋼琴音色示範篇:鍵盤手現場演奏! https://www.yamahablog.tw/2020/09/14/stagekeyboards-yc61-intro-youtube/