Xiaomi announced its one-finger ultra-wideband technology in 22 years, and then in 22 1 year, Xiaomi MIX4 will be the first domestic mobile phone to support this function. UWB technology is to improve the spatial perception ability of mobile phones by using ultra-wideband communication, so as to accurately judge the relative position relationship between each other's devices.
This technology was previously only used in high-end products of Samsung and Apple. This technology is difficult and highly optimized, but it is also a very convenient function in smart home.