KEY FEATURES
Screenless Design: Tiny 5.2-gram tracking pebble with no digital display.
Biometric Sensors: Tracks 24/7 heart rate, skin temperature, and blood oxygen.
Sleep Tracking: Monitors sleep stages, detects naps, and features a vibrating alarm.
7-Day Battery: Lasts a full week and charges for a day in five minutes.
Swimproof Build: Water-resistant up to 50 meters.
Open-Source Hardware: Free CAD files available for 3D-printing custom bands.
App Syncing: Connects via Bluetooth to the Google Health app.
No Mandatory Subscription: Core health metrics are free to access forever.