Pebble 2 Duo
Quick details
Released
September 2025
Dimensions
39.55 x 30.25 x 10.4 mm
Operating system
PebbleOS
Display 1.26 inches Monochrome e-paper
Battery life Over 30 days median (July 2026)
Water resistance 2 ATM
GPS No
Sensors accelerometer, gyroscope, compass, barometer, microphone
Links Read comparison
Technical specifications
General
Release date 2025-09
Product type Smartwatch
Physical size 39.55 x 30.25 x 10.4 mm
Material Polycarbonate case
Water resistance 2 ATM
Color options Black, White
Display type Monochrome e-paper
Display size 1.26 inches
Display resolution 144 x 168 pixels, 175 ppi
Display brightness Adjustable LED backlight (4 intensity levels)
Display protection Flat hardened glass
Battery Rechargeable lithium battery
Battery life Over 30 days median (July 2026)
Charging Standard Pebble charger
Sensors
GNSS type None
GPS No
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
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 Yes
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 and iOS
Operating system at launch PebbleOS
Processor Nordic nRF52840, Cortex-M4 at 64 MHz
RAM 256 KB
Storage 32 MB external flash + 1 MB internal flash
Bluetooth Yes
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.
