LifeTrak Zone C410 Watch Black/Blizzard

Connects & Syncs To Compatible Smartphones Using Bluetooth Smart Technology Pace-Based Calibration Algorithm Dynamically Adjusts Stride Length Based On Identification Of Walking, Jogging & Running Motions Proprietary Calorie Algorithm Integrates Heart Rate & Activity Data Observes How Well You Sleep Based On Motion & Arm Posture Waterproof $ 79.89 Customer Reviews 34 of 35 people