Physical dimensions 21 mm wide x 10.5 mm thick (length varies based on band size; 120-175mm (small wrist circumference) and 152-210mm (large wrist circumference) Display size, WxH 1.00" x 0.39" (25.5 mm x 10 mm) Display resolution, WxH Segmented LCD Touchscreen No Color display No Negative mode display Yes Weight 25.5 g (0.89 oz) Battery Two replaceable CR1632 coin cells Battery life More than 1 year Water rating 5 ATM GPS-enabled No GLONASS No Smart notifications (displays email, text and other alerts when paired with your compatible phone) No Vibration alert No Music control No Find my phone No VIRBﾮ control No Running Features: Accelerometer (calculates distance for indoor workouts, without need for a foot pod) Yes Running & Cycling Features: Heart rate monitor Yes (optional) Heart rate-based calorie computation Yes Calculates calories burned Yes Activity Tracking Features: Step counter Yes Auto goal (learns your activity level and assigns a daily step goal) Yes Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it) Yes Sleep monitoring (monitors total sleep and periods of movement or restful sleep) Yes Garmin Connectﾮ: Garmin Connectﾙ compatible (online community where you analyze, categorize and share data) Yes Automatic sync (automatically transfers data to your computer) No