F5 smart watch has built-in GPS module, it can independently record GPSHeart Rate Monitor which measures your heart rate, monitor your health conditionReal-time Temperature and Altitude Measure: special for outdoor sports, so that you can respond to sudden weather changes.Multiple Sports Modes Record walking, running, climbing, swimming and cyclingSpecifications:Model: F5Bluetooth Version: Bluetooth 4.0 Built-in chip type: NRF52832 IP rating: IP67 RAM: 64K ROM: 512K Waterproof: YesAlert type: Vibration Bluetooth calling: Caller ID display, Caller's name display, Phone call reminder Find phone: No Groups of alarm: 1 Health tracker: Heart rate monitor, Sedentary reminder, Sleep monitor Messaging: Message reminder Notification: Yes Other Function: Alarm, Altimeter, Brightness Adjusting, GPS, Thermometer Notification type: Facebook, Twitter, Wechat, WhatsAppCompatibility: Android 4.4 / iOS 9.0 and Above SystemsBattery Capacity: 350mAh Charging Time: About 2hours Standby time: About 3 weeksPackage Includes:1x F5 Smart Watch1x Charging Cable1x User Manual