Pebble Time Round
Quick details
Released
November 2015
Dimensions
38.5 x 38.5 x 7.5 mm
Operating system
PebbleOS
Display 1 inch 64-colour e-paper
Battery life Up to 2 days
Water resistance IPX7; splash resistant, not for swimming
GPS No
Sensors accelerometer, compass, microphone
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Technical specifications
General
Release date 2015-11-08
Product type Smartwatch
Physical size 38.5 x 38.5 x 7.5 mm
Weight 28-32 g with band, depending on strap size
Material Stainless steel case; leather band
Water resistance IPX7; splash resistant, not for swimming
Color options Black, Silver, Rose Gold
Display type 64-colour e-paper
Display size 1 inch
Display resolution 180 x 180 pixels
Display brightness LED backlight with automatic ambient-light control
Display protection Flat Corning Gorilla Glass
Battery Rechargeable lithium-polymer battery
Battery life Up to 2 days
Charging Magnetic USB charging cable
Charging time 15 minutes for about 1 day; full charge time unknown
Sensors
GNSS type None
GPS No
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes
Gyroscope No
Barometric altimeter No
Compass Yes
Geomagnetic Yes
Ambient light sensor Yes
Optical heart rate No
Electrical heart rate No
SpO2 No
Temperature No
Galvanic skin response No
Microphone Yes
Speakers No
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes (via activity apps)
Calories burned Yes (via activity apps)
Floors No
Sports tracking Yes (via apps)
Sleep Yes
Heart rate No
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 4.3+; iOS 8+
Operating system at launch PebbleOS
Processor STMicro STM32F411, Cortex-M4 at 100 MHz
RAM 256 KB
Storage 16 MB flash
Bluetooth Yes (4.0)
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling No
Smartphone music control Yes
On-board music storage No
Voice assistant No
Links
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These technical specs are correct to the best of our knowledge at the time of publishing.
