Xiaomi has launched the Redmi Band 4 fitness tracker in China, succeeding the third-generation model released in 2024. The new device features a redesigned metal-textured body and a 1.47-inch display protected by 2.5D glass with a 60 Hz refresh rate.
The wearable offers up to 21 days of battery life on a single charge, which is three days longer than its predecessor. Under active use of monitoring features, the battery lasts for eight days. The device includes a redesigned strap fastener for improved security during physical activity.
The tracker supports 50 sports modes, including cycling and table tennis, and is water-resistant up to 5ATM. Health monitoring capabilities include heart rate tracking, blood oxygen measurement, stress monitoring, sleep analysis, and women's health tracking.
Standard features such as notifications, alarms, and customizable watch faces are included. Users in China can utilize QR code payments via WeChat and Alipay. The device is priced at ¥169, which is approximately $25. Information regarding an NFC module is currently unavailable.




