Here is a smart Rubik’s Cube that combines with your smartphone to show you how to improve your speed. The Xiaomi Giiker Speed Cube i3S has Bluetooth sensors in the center caps that allow you to wirelessly track the state of your cube as you turn it. You get guides, games and other interactive features too.
The Giiker app connects to the cube and generates the real-time guide to solve it. The battery is fully charged in an hour and lasts up to 30 hours.[where to get it]
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