The Sense 2 Graphite/Graphite tracks heart rate sleep stress and fitness metrics for everyday health monitoring.
Designed for users who want detailed wellness insights this Fitbit smart watch fits wrists from 5.1 to 8.6 inches and weighs only 37.6g. The AMOLED display with Corning Gorilla Glass 3 shows activity and notifications clearly while the built-in Alexa Voice Assistant and Google Wallet add convenience for daily routines. Bluetooth v5.0 connectivity pairs with Apple iOS 16.4 or higher and Android OS 11.0 or higher supporting calls and texts when your phone is nearby.
Advanced sensor technology includes multi-path optical heart rate electrical sensors for skin conductance and red and infrared sensors for oxygen saturation. GPS + GLONASS enables accurate workout tracking and the watch is water resistant up to 50m for swimming. The battery lasts up to 6 days between charges and 40+ exercise modes help you tailor your fitness plan.
FB521BKGB-FRCJK in grey comes with a 2 year manufacturer's warranty.