Islamabad, June 28, 2025: Xiaomi has expanded its wearable lineup with the introduction of two new devices in China: the Watch S4 41mm and the Smart Band 10. These new offerings promise improved fitness tracking and display technology, with global availability expected later.
Xiaomi Watch S4 41mm: Compact and Powerful
The Watch S4 41mm features a crisp 1.32-inch round AMOLED display, boasting a 466 x 466 resolution and a smooth 60Hz refresh rate. Its impressive 2,200 nits peak brightness ensures clear visibility even in direct sunlight. Designed for active lifestyles, it maintains a 5ATM water resistance rating and weighs a mere 32 grams.
Under the hood, this smartwatch includes Xiaomi’s upgraded 4-LED + 4PD heart rate module for more accurate health tracking. It’s powered by a modified Xring T1 chip, which is reportedly 35% more power-efficient than its predecessor. Key features include real-time heart rate tracking during swimming and an 8-day battery life.
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The Watch S4 41mm starts at $140 for the Black and Mint Green versions with a TPU strap. A brown leather strap variant costs $167, while the Milanese strap option is priced at $209.
Smart Band 10: Display Upgrade and Advanced Monitoring
The Smart Band 10 receives a significant display upgrade, now featuring a larger 1.72-inch AMOLED screen with a 60Hz refresh rate and up to 1,500 nits peak brightness. While its design largely mirrors the Band 9, it boasts thinner bezels and, for the first time, introduces a ceramic edition that will be available outside China.
Xiaomi has boosted the Band 10’s tracking capabilities with a new 9-axis sensor and more advanced sleep monitoring, complete with guided improvement plans. An improved vibration motor enhances notifications and feedback. Despite these upgrades, it retains the 233mAh battery, offering up to 21 days of typical usage and 9 days with Always-On Display. Pricing for the Smart Band 10 starts at $38 for the standard version and $52 for the ceramic edition.
