Withings Steel HR
Quick details
Released
October 2016
Dimensions
36.3mm diameter × 12.5mm thick (36mm); 39.5mm diameter × 12.5mm thick (40mm)
Operating system
Proprietary
Display 0.48-inch OLED + analogue
Battery life Up to 25 days
Water resistance 5 ATM
GPS Connected GPS
Sensors Accelerometer, heart rate sensor, connected GPS
Technical specifications
General
Release date 2016-10
Product type Hybrid smartwatch
Physical size 36.3mm diameter × 12.5mm thick (36mm); 39.5mm diameter × 12.5mm thick (40mm)
Weight 36mm: 39 grams; 40mm: 49 grams
Material 316L stainless steel case; mineral glass; silicone wristband
Water resistance 5 ATM
Color options Black, White
Display type OLED with analogue hands and activity subdial
Display size 0.48 inches
Display resolution 36 x 72 pixels
Display protection Mineral glass
Battery Rechargeable battery
Battery life Up to 25 days; up to 5 days in workout mode; up to 20 additional days in power reserve mode
Charging Magnetic charging cable
Charging time 2 hours; 1 hour to 80%
Sensors
GNSS type Connected GPS
GPS Connected GPS
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes
Gyroscope No
Barometric altimeter No
Compass No
Geomagnetic No
Ambient light sensor No
Optical heart rate Yes
Electrical heart rate No
SpO2 No
Temperature No
Galvanic skin response No
Microphone No
Speakers No
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors No
Sports tracking Yes
Sleep Yes
Heart rate Yes
HRV No
Stress No
Blood oxygen No
Respiration rate No
Skin temperature No
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility Android and iOS
Operating system at launch Proprietary
Bluetooth Yes
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
These technical specs are correct to the best of our knowledge at the time of publishing.