The brand-new Xiaomi Smart Band 11 officially commenced sales at 10 AM today, boasting an attractive starting price of just 289 yuan. For those seeking added convenience, the NFC version is available from 339 yuan, while the ceramic and full-metal variants start at a recommended retail price of 399 yuan. Moreover, a variety of wristband accessories are on offer to cater to different tastes. The smart band is designed with portability in mind, featuring a mere 0.99cm thickness and weighing a featherlight 15.58g. Its 2mm ultra-narrow four-sided equal-width design is complemented by a 1.72-inch AMOLED screen, capable of reaching a dazzling peak brightness of 2000nits. In terms of aesthetics, the band introduces a new Unibody full-metal version and a genuine leather bracelet style, alongside the option of a ceramic version. Functionally, it has been upgraded with professional sleep HRV monitoring and high-precision heart rate and blood oxygen sensors, providing comprehensive motion health monitoring across more than 150 sports modes. Notably, the Xiaomi Smart Band 11 is the first to feature Xiaomi's HypersOS 4 system, which allows users to control Mi Home products and even Xiaomi vehicles. With 5ATM water resistance and an impressive 21-day battery life, it also offers NFC offline payment functionality on certain versions, making it a versatile and practical choice for consumers.