
Haylou · 2019
LS01 Size, Dimensions & Wrist Fit
Case Width
35.7mm
Thickness
11.6mm
Lug-to-Lug
40.9mm
Weight
26.3g
The LS01 looks in proportion on wrists of 13–18 cm (5.1–7.1 in) round, and fills the wrist at 13.5–15 cm (40.9mm lug to lug).
As an Amazon Associate, WatchFitTool earns from qualifying purchases.
Does the LS01 fit your wrist?
| Wrist round (mm left each side) | 35.7mm |
|---|---|
| 14 cm / 5.5 in | Sweet spot (2.1mm) |
| 15 cm / 5.9 in | Balanced (3.7mm) |
| 16 cm / 6.3 in | Balanced (5.4mm) |
| 17 cm / 6.7 in | Balanced (7mm) |
| 18 cm / 7.1 in | Balanced (8.6mm) |
| 19 cm / 7.5 in | Understated (10.2mm) |
| 20 cm / 7.9 in | Understated (11.8mm) |
The LS01 in short
- Rated for 10 days of use per charge.
- Water resistant; no depth rating published.
- 26.3g on the wrist.
- 1.3 inches LCD display.
Compare with another watch
Size, fit and battery side by side, against any smartwatch we list.
↑ ↓ to move · Enter to open the comparison · Esc to close
LS01 battery life
Published runtime
- Battery life10 days
Where it ranks among Haylou watches
- Everyday use10 days#9 of 10
- Capacity210 mAh#10 of 10
Settings to change and the 24-hour idle test are on the battery check.
2D Dimension Schematics
- Haylou LS01 35.7mm × 40.9mm · 11.6mm thick
3D preview
Haylou LS01 on a wrist
Alternatives to the LS01
LS01 specifications
- Battery life
- 10 days
- Display
- 1.3 inches
- Resolution
- 240 x 240 px
- Water rating
- Water resistant
Show all specificationsHaylou's published specification, for reference · checked September 2026
Design
- width
- 35.7
- height
- 40.9
- volume
- 16.94 cm³
- weight
- 26.3 g
- thickness
- 11.6
- resolution
- 240 x 240 px
- screen size
- 1.3 inches
- Display type
- LCD
- Has a display
- Yes
- pixel density
- 242 ppi
- water resistance
- Water resistant
- Always-On Display
- No
- has a touch screen
- Yes
- Watch band is replaceable
- Yes
- Has sapphire glass display
- No
- maximum operating temperature
- 45 °C
- has branded damage-resistant glass
- No
- lowest potential operating temperature
- -20 °C
Battery
- battery life
- 10 days
- battery power
- 210 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
- No
- 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
- 2019-12-12
- Has a stopwatch
- Yes
- Has smart alarm
- No
- Has call control
- No
- Has silent alarm
- Yes
- Has notifications
- Yes
- Locates your phone
- No
- has voice commands
- No
- Acquires GPS faster
- No
- Has vibrating alerts
- Yes
- Can be used to answer calls
- No
- Has a built-in camera remote control function
- No
Connectivity
- has NFC
- No
- supports ANT+
- No
- supports Wi-Fi
- No
- Bluetooth version
- 4.2
- has a cellular module
- No
- Is compatible with iOS
- Yes
- Is compatible with Android
- Yes
Miscellaneous
- Has passcode
- 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
App & Software
- Free app
- Yes
- Has coaching
- No
- Supports routes
- No
- Has achievements
- Yes
- Has goal setting
- Yes
- Has exercise diary
- Yes
- Predicts ovulation
- Yes
- Has weight tracking
- Yes
- Predicts start date
- Yes
- Tracks water intake
- Yes
- Has inactivity alerts
- Yes
- Has period notifications
- Yes
- Has temperature tracking
- No
- Doesn’t require account
- No
- Provides activity reports
- Yes
- Displays fertile window notifications
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Measures pace
- No
- Tracks distance
- No
- Tracks elevation
- No
- Designed for golf
- No
- Tracks your sleep
- Yes
- Tracks steps taken
- Yes
- Designed for diving
- No
- Has a route tracker
- No
- 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






