OUMAX S8 Plus GPS Running Watch with Continuous Heart Rate Monitor - The ultimate GPS fitness super watchFeatures:All-Day Activity- Track steps, distance, calories burned, active minutes, hourly activity and stationary timeGPS Tracking- See distance, pace, split times and review routes without smart phoneDynamic Continuous Heart Rate - Get continuous, automatic, wrist based heart rate and in 24/7, simplified heart rate zones and alert with HRV analysis.17 Multi-Sport Modes and Smart Track - Track runs, rides and other workouts with up to 17 multi-sport modes or automatically record them with smart track technology Call and Text Notifications- See call and text notifications on display with caller ID and view latest 10 messagesWater Proof – OUMAX S8 Plus watch is waterproof to a depth of 5ATMBattery Life – Last longer than competing trackers with a battery life up to 5-7 days and GPS battery life up to 8 hours:9 Watch Faces – Support 9 Watch faces switch, analog, digital, sport...etc** Actual battery life may vary depending on settings**7 Valuable Tools – Stop Watch/Timer (1min, 3mins, 5mins and Customize)/Reminder to Move/No Disturb Mode/Easy Camera Control/Emergency Flashlight/Low Power Saving Mode/Brightness Adjustment System Requirement:iOS device: iOS 9.0 or aboveAndroid device: Android 4.3 or above with Bluetooth 4.2Working Temperature: 0℃-40℃ (32℉-104℉)Package Includes: 1×Smart Watch1×Magnetic USB Charging Cable1×Quick Start Guide1×User Manual