Kieslect · 2023
Ks2 Size, Dimensions & Wrist Fit
Case Width
37.4mm
Thickness
10.6mm
Lug-to-Lug
50.2mm
Weight
51.4g
The Ks2 looks in proportion on wrists of 15.5 cm (6.1 in) and up round, and fills the wrist at 16.5–18.5 cm (50.2mm lug to lug).
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Does the Ks2 fit your wrist?
| Wrist round (mm left each side) | 37.4mm |
|---|---|
| 14 cm / 5.5 in | Overhangs (2.5mm over) |
| 15 cm / 5.9 in | Overhangs (0.9mm over) |
| 16 cm / 6.3 in | Bold (0.7mm) |
| 17 cm / 6.7 in | Sweet spot (2.3mm) |
| 18 cm / 7.1 in | Sweet spot (3.9mm) |
| 19 cm / 7.5 in | Balanced (5.5mm) |
| 20 cm / 7.9 in | Balanced (7.2mm) |
The Ks2 in short
- Between 120 hours and 40 days per charge depending on the power mode — battery saver at best, heavy use at worst.
- 51.4g on the wrist.
- 2.01 inches AMOLED display, always-on capable.
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Size, fit and battery side by side, against any smartwatch we list.
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Ks2 battery life
Runtime by power mode
- Battery Saver40 days
- Smartwatch9 days
- Heavy use120 hours
Charges in 2.5 hours
Settings to change and the 24-hour idle test are on the battery check.
2D Dimension Schematics
- Kieslect Ks2 37.4mm × 50.2mm · 10.6mm thick
3D preview
Kieslect Ks2 on a wrist
Alternatives to the Ks2
41.2mm · 11.2mm thick · 42.9g41.2mmKieslect
Lora 2
46.4mm · 11.65mm thick · 58g46.4mmKieslect
Kr2
37.4mm · 12.3mm thick · 58g37.4mmDizo
Watch D Talk
37.4mm37.4mmOmega
Seamaster 120M Multifunction Stainless Steel / Blue
37.5mm · 9.6mm thick37.5mmCertina
DS PH100M Lady Stainless Steel Yellow Gold / Black MOP / NATO
37.5mm · 11.4mm thick · 41g37.5mmNoise
Vision 2 Buzz
Ks2 specifications
- Battery life
- 9 days
- Display
- 2.01 inches
- Resolution
- 410 x 502 px
- Water rating
- Sweat resistant
- Charging
- 2.5 hours
Show all specificationsKieslect's published specification, for reference · checked September 2026
Design
- width
- 37.4
- height
- 50.2
- volume
- 19.9 cm³
- weight
- 51.4 g
- thickness
- 10.6
- resolution
- 410 x 502 px
- screen size
- 2.01 inches
- Display type
- OLED/AMOLED
- Has a display
- Yes
- pixel density
- 322 ppi
- water resistance
- Sweat resistant
- Always-On Display
- Yes
- has a touch screen
- Yes
- is designed for kids
- No
- Watch band is replaceable
- Yes
- Has sapphire glass display
- No
- has branded damage-resistant glass
- No
Battery
- charge time
- 2.5 hours
- battery life
- 9 days
- battery power
- 300 mAh
- has wireless charging
- No
- has a removable battery
- No
- Has a solar power battery
- No
- has a rechargeable battery
- Yes
- battery life in training mode
- 120 hours
- battery life in power save mode
- 960 hours
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
- 2023-11-27
- Has a stopwatch
- Yes
- Has smart alarm
- No
- Has call control
- Yes
- Has silent alarm
- Yes
- Has notifications
- Yes
- Has ECG technology
- No
- Locates your phone
- Yes
- 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
- has irregular heart rate warnings
- No
- has fast/slow heart rate notifications
- Yes
- Has a built-in camera remote control function
- Yes
Connectivity
- has NFC
- No
- supports ANT+
- No
- supports Wi-Fi
- No
- Bluetooth version
- 5.3
- 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
- Supports routes
- No
- Has achievements
- Yes
- Has goal setting
- Yes
- Has exercise diary
- Yes
- Predicts ovulation
- Yes
- Can be personalised
- No
- 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
