Mibro Kids S1: specs, who it fits and compatible phones
Mibro Kids S1 is a kids smartwatch released in 2025 that works with iPhone and Android. It lists Multi-system GNSS, 2ATM and Heart rate.
Specifications
| Release year | 2025 |
|---|---|
| Case size | Not listed |
| Battery as listed | 3-5 days (approx.) |
| Water rating | 2ATM |
| Case material | Polymer |
| GPS type | Multi-system GNSS |
| Operating system | Mibro OS (parent app) |
| Works with | iPhone and Android |
| Connection | SIM · 4G |
| Plan needed | None |
| Health sensors | Heart rate |
Kids features
Age range: 6-12. Calls, Video, GPS, SOS, School mode, Games.
Who it fits
- Works with iPhone and Android.
- Made for children aged 6-12.
Overview
The Mibro Kids S1 (November 2025) is a 4G kids watch-phone from Mibro, a brand in Xiaomi's ecosystem chain (ZhenShi), officially presented for ages 6-12. Its standout is location hardware: multi-system GPS including L1+L5 dual-frequency positioning, which is rare in a kids watch.
What it does well
- Dual-frequency positioning. L1+L5 GPS improves location accuracy in cities, where tall buildings bounce signals; most kids watches use single-frequency GPS.
- Dual cameras and 4G video calls. The child can show, not just tell.
- Safe zones and parent alerts.
- Battery sized for kids. A listed 3-5 days is long for a 4G kids watch, though the figure is marked approximate in our data.
Tradeoffs to know
- Water rating is only 2ATM: splash-proof, not suitable for swimming.
- Availability varies by region; the official store is the main channel.
Price and availability
Listed at $106 from the official Mibro store.
FAQ
What ages is the Mibro Kids S1 for?
Mibro officially presents it for ages 6 to 12.
Does it need a SIM card?
Yes, a nano-SIM with a 4G plan for calls and location features.
Can it survive swimming?
No. The 2ATM rating covers splashes and rain only.
How it compares
Closest models from other brands
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Garmin Bounce 2 | 2025 | Not listed | Up to 2 days | Not listed | Multi-system GNSS | iOS and Android |
| Fitbit Ace LTE | 2024 | Not listed | 16 hours (approx.) | 5ATM | Multi-system GNSS | iOS and Android |
| TickTalk 6 | 2026 | Not listed | 2 days (approx.) | IP67 | Multi-system GNSS | iOS and Android |
Compared with Fitbit Ace LTE, Mibro Kids S1 lists a newer release year (2025 against 2024).
Compared with TickTalk 6, Mibro Kids S1 lists an older release year (2025 against 2026).
Only values listed exactly are compared.
Phone compatibility and plan
No plan is listed as needed.
Sensors and features are listed as the maker names them and are not medical measurements.
Related guides and lists
- Battery life explained
- Phone compatibility
- Water resistance ratings
- Sensors explained
- Mibro smartwatches
- All models
Last verified September 26, 2026
Features change with updates. Check the maker's current details. See our methodology