Indigi Smart Watch Bluetooth 4.0 Design Fitness Tracker For iOS and Android Super Powerful Function: Indigi Heart Rate Watch combined with pedometer, walking distance, exercising time, calories consumed, message & app & call notification, clock/sedentary alarm, camera remote, sleep monitor, blood pressure monitoring, blood oxygen content. All functions displaye don the 0.96 color display Heart Rate & Blood Pressure & blood Oxygen Monitoring: Real time Heart Rate and Blood Pressure Monitoring during daily activities. Continuously monitor your Blood Pressure, Heart Rate & Blood Oxygen levels to figure when your body is working the hardest during your workout. Activities Trace: Indigi Heart Rate Watch with IP7X waterproof rating can capture your daily activities even through the sweatiest workouts such as number of steps taken, distance traveled, and sleep quality (Automatically monitors from 18:00-8:00,record shallow/deep and total sleep time). Notification & Compatibility: Our smart watch synchronizes notifications from your phone such as message & call notifications, app notifications, clock/sedentary/drinking alarms, all with vibrating smart notifications so you wont miss your messages. Our activity tracker compatible with IOS 7.0 and Android 4.4 above system Installation & Synchronization: Installation (1)Download the APP Do Fit by app store or. Scan the QR code on the manual. (2)Turn on the phone Bluetooth (3)Pair our Fitness Bracelet watch. Synchronization: Our heart rate bracelet will automatically connect with your device when you turn on the Bluetooth and APP, the data will auto synced when you pull down the screen