Amazfit Pace Smart watch Track running distance, time, pace, heart rate, calories, speed etc. Phone-free music: connect wirelessly to Bluetooth earbuds and enjoy. GPS: Track your route and distance with built-in GPS. Receive notifications for incoming calls, messages, emails and other apps. Full color, always on the touch display. Up to 11 days battery life. Corning gorilla glass & IP67 dust and water resistant. Compatible with Android 7 iOS Smartphones.