Black Shark made a smart ring with 180 days of battery life through its charging case
GSMArena -

The Black Shark Ring is Black Shark's latest project. The gaming arm of Xiaomi is in the advanced stages of the development of the smart wearable and shared a few slides on its official Weibo account. The Black Shark Ring is seen in Silver and Black and Red and is 2.2mm thick. A thin black line goes through the center of the ring and widens at one point. Black Shark advertises that the Ring has Smart Touch, which could explain the black are on the outside of the ring. The Black Shark ring...

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