Garmin Vivosport Smart Activity Tracker - Slate Features: - Displays activity and heart rate data - Fitness monitoring tools - All-day stress tracking - Heart rate - GPS - Accelerometer sensors - Always on chroma display - Smart notifications & Live Track - Sleep monitor with silent alarm - Bluetooth & ANT+ connectivity - Up to 7 days of continuous battery life - Fits wrist of 5.8 to 8.5" (14.7cm - 21.5cm) Specification: - Warranty: 12 Months Includes: - Garmin Vivosport tracker and charging - Data cable What's in the box Garmin Vivosport tracker Charging/data cable