Fire-Boltt · 2023
Asteroid Size, Dimensions & Wrist Fit
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Does the Asteroid fit your wrist?
The Asteroid in short
- Rated for 7 days of use per charge.
- Water rated to 1 m.
- 60g on the wrist.
- 1.43 inches AMOLED display.
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Size, fit and battery side by side, against any smartwatch we list.
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Asteroid battery life
Published runtime
- Battery life7 days
Where it ranks among Fire-Boltt watches
- Everyday use7 days#10 of 14
- Capacity350 mAh#5 of 8
Settings to change and the 24-hour idle test are on the battery check.
Alternatives to the Asteroid
Asteroid specifications
- Battery life
- 7 days
- Display
- 1.43 inches
- Resolution
- 466 x 466 px
- Water rating
- Waterproof
Show all specificationsFire-Boltt's published specification, for reference · checked September 2026
Design
- weight
- 60 g
- resolution
- 466 x 466 px
- screen size
- 1.43 inches
- Display type
- OLED/AMOLED
- Has a display
- Yes
- pixel density
- 354 ppi
- water resistance
- Waterproof
- Always-On Display
- No
- has a touch screen
- Yes
- is designed for kids
- No
- waterproof depth rating
- 1 m
- Watch band is replaceable
- Yes
- Has sapphire glass display
- No
- Ingress Protection (IP) rating
- IP67
- has branded damage-resistant glass
- No
Battery
- battery life
- 7 days
- battery power
- 350 mAh
- has wireless charging
- No
- has a removable battery
- No
- Has a solar power battery
- No
- has a rechargeable battery
- Yes
Sensors
- has GPS
- No
- has a compass
- No
- Has a barometer
- Yes
- has a gyroscope
- No
- Has a cadence sensor
- No
- has an accelerometer
- Yes
- Monitors perspiration
- No
- Has a heart rate monitor
- Yes
- Has a temperature sensor
- No
- Monitors blood oxygenation levels
- Yes
Features
- release date
- 2023-08-28
- Has a stopwatch
- Yes
- Has smart alarm
- No
- warranty period
- 1 years
- Has call control
- Yes
- Has silent alarm
- Yes
- Has notifications
- Yes
- Has ECG technology
- No
- Locates your phone
- No
- has fall detection
- No
- has voice commands
- Yes
- Acquires GPS faster
- No
- Has vibrating alerts
- Yes
- number of microphones
- 1
- Can be used to answer calls
- Yes
- measures resting heart rate
- Yes
- has irregular heart rate warnings
- No
- Has a built-in camera remote control function
- Yes
Connectivity
- has NFC
- No
- supports ANT+
- No
- supports Wi-Fi
- No
- supports Galileo
- No
- Bluetooth version
- 5.2
- has a cellular module
- No
- Is compatible with iOS
- Yes
- Is compatible with Android
- Yes
Miscellaneous
- Has passcode
- No
- Has auto pause
- No
- Is compatible with Windows
- No
- Is compatible with Mac OS X
- No
- has an external memory slot
- No
- has a battery level indicator
- Yes
- has a socket for a 3.5 mm audio jack
- No
- Compatible with external heart rate monitors
- No
App & Software
- Ad-free
- Yes
- Free app
- Yes
- Has coaching
- No
- Has achievements
- Yes
- Has goal setting
- Yes
- Has exercise diary
- Yes
- Can be personalised
- No
- Has weight tracking
- Yes
- Tracks water intake
- Yes
- Has inactivity alerts
- Yes
- Has period notifications
- Yes
- Has temperature tracking
- No
- Provides activity reports
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Measures pace
- Yes
- Tracks distance
- Yes
- Tracks elevation
- Yes
- Designed for golf
- No
- Tracks your sleep
- Yes
- Tracks steps taken
- Yes
- Designed for diving
- No
- Has a route tracker
- Yes
- Has exercise tagging
- Yes
- Has multi-sport mode
- No
- Tracks calorie intake
- Yes
- Provides sleep reports
- Yes
- Detects activities automatically
- Yes
- Has a stroke counter for swimming
- No
