This smartwatch optical heart rate monitoring and built-in GPS to track daily step count, distance traveled, calories burned, and sleep quality. 4-sport modes - outdoor running, treadmill, cycling and walking with detailed insights into most frequent activities. Get notifications for emails, SMS messages, and incoming phone calls as well as alerts for social media, weather forecasts, etc. This smart watch comes in 3 colors and a bright always-on 1.28 display suit for smart phone. Complies with FCC, Prop 65. 10.24" L x 1.67" W x 3.74" H