On October 12, it was reported that Xiaomi officially announced a UWB connection technology called "One Finger to Connect" today.

UWB (Ultra Wide Band) means ultra wide band. This technology is mainly used for precise spatial positioning of intelligent devices, as the U1 chip on the iPhone 11 series has done before. Xiaomi officially said that with the help of the UWB chip and array antenna in the mobile phone (for this reason, Xiaomi has made magic changes to Xiaomi 10 series mobile phones and a series of smart homes), it can achieve centimeter level positioning of smart devices and ± 3 ° angle measurement accuracy.

Officially, the "one finger connected" Xiaomi UWB technology can achieve one finger manipulation - pick up the phone, aim at the smart device, automatically pop up the control interface, and one finger projection - under any interface of the mobile phone, aim at the smart device for gesture operation, and automatically deliver the current screen to Xiaomi TV, touch screen speakers, Xiaomi laptops and other smart devices.

However, this technology is obviously out of touch with all old users because it requires special chips to be placed at the mobile phone hardware level.

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