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The Xiaomi Watch S4 is a budget-priced smartwatch that replaces the previous S3 model. It’s claimed to have a brighter screen, improved biometric tracking accuracy and other refinements. But are there any flaws, and is it worth buying? Read our full Xiaomi Watch S4 smartwatch review for the full picture.
pros
cons
What's included?
- What is it?
- What can it do?
- What's the setup like?
- What’s it like to wear and use?
- How accurate is it?
- What's the battery life?
- How secure is it?
- Is there anything else I should know?
- Should I buy it?
| Battery life | |
|---|---|
| Smart notifications | |
| Comfort |
- May 2025First reviewed by Which?
- Feb 2025Released
