For sale: Google Fitbit Air band – New The new Google fitness band with an elegant and very light design, suitable for all-day wear and during sleep. The band is screenless for a quiet experience without notifications or distractions, and all data and reports are displayed through the Google Health app on your mobile. Key Specifications: 24/7 heart rate measurement Resting heart rate monitoring Blood oxygen (SpO2) measurement Heart rate variability (HRV) monitoring Sleep stage and duration tracking Irregular rhythm and atrial fibrillation alerts when the feature is available Daily step, activity, and exercise logging Automatic exercise and activity detection Small, light, and comfortable design for all-day use Screenless for greater focus and comfort Battery lasts up to 7 days depending on usage Fast charging; about 5 minutes provides a full day of power Easily interchangeable bands Compatible with Android and iPhone devices via the Google Health app 900 SAR