Xiaomi has officially unveiled its Xiaomi Mi Band 4 in June 2019, which is an upgraded version of its predecessor Mi Band 3.
According to International Data Corporation's (IDC) Worldwide Quarterly Wearable Device Tracker, global shipments for wearable devices reached 32 million units in the third quarter of 2018, a rise of 21.7 percent from the same period last year.
Today, the product launch of Xiaomi Mi 8 started at 2 p.m. Beijing time at the Shenzhen Universiade Stadium as scheduled. The event is synchronously live streamed on Xiaomi's official website.
Recently, Xiaomi's official Twitter account posted a teaser image with the question “Can you guess what it is?” The teaser debuts the brand new Mi Band 3.