MibroSmartwatch
Mibro A3
Mibro A3 is a smartwatch released in June 2025. Key specs: case size 45 mm, screen size 1.39″, battery life (smartwatch mode) 8 days, water resistance 2 ATM.
5.1Score
Health tracking4.9
Sports & outdoor8.0
Build & durability2.3
price range$50–65Reference price converted from JPY
- Released
- June 2025
- Type
- Smartwatch
- Brand
Mibro- Popularity
- #862 of 889
45 mmCase size
1.39″Screen size
8 daysBattery life (smartwatch mode)
2 ATMWater resistance
45 gWeight
Spec guide
How it ranks among smartwatches of 2025
Screen size · 1.39″Bottom 30%Battery life (smartwatch mode) · 8 daysBottom 35%Water resistance · 2 ATMBottom 3%Weight · 45 gTop 50%
Compared with smartwatches released in 2025. Bars show the share of models it beats.
Specifications
Full specifications
Design & durability
- Case size
- 45 mm
- Weight
- 45 g
- Thickness
- 11.6 mm
- Water resistance
- 2 ATM
Display
- Screen size
- 1.39″
- Resolution (width)
- 360 px
- Resolution (height)
- 360 px
Battery
- Battery life (smartwatch mode)
- 8 days
- Battery capacity
- 300 mAh
Health sensors
- Optical heart rate
- Yes
- Blood oxygen (SpO2)
- Yes
- Sleep tracking
- Yes
Sports & navigation
- Built-in GPS
- Yes
- Barometric altimeter
- Yes
- Compass
- Yes
Smart features
- Calls from the wrist
- Yes
Platform
- Works with
- Android, iOS
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
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