Xiaomi unveils Watch S5 smartwatch with eSIM and long battery life

Xiaomi has unveiled the Watch S5 in China, a smartwatch featuring an eSIM function and an 815-mAh battery designed to provide up to 21 days of battery life. The device offers integration with the manufacturer’s SU7 and YU7 electric vehicles.

Technical specifications include a 1.43-inch AMOLED display with a stainless steel housing and HyperOS 3.0 software. The watch supports Android 8.0 and above, as well as iOS 14 and above. Key features include improved GNSS positioning and a revised sleep algorithm.

However, some limitations have been noted, such as the absence of ECG functions and a lack of synchronization with Apple Health for iOS users. Additionally, some tests have indicated potential inaccuracies in heart rate measurements during high-intensity exercise and a lack of access to a dedicated app store.