All-DAY ACTIVITY TRACKING: Track steps, distance, calories burned, sport minutes and time on the 0.96" OLED touchscreen. Multiple training modes include walking, running, cycling, training, climbing and basketball and GPS tracking can monitor your activities. HEART RATE & SLEEP MONITOR: Automatically track how long you spend in deep and light sleep. You also have the option to wake up to a silent vibrating alarm. You can better understand your sleep quality, and the bracelet will monitor your heart rate accurately while you do exercise. CALL MESSAGE NOTIFICATIONS ALERT: This function acts as a good notifier for incoming calls or massages. The DBFIT fitness watch will vibrate to remind you when your phone receives a call/SMS/social media message, ensuring you never miss a call or message. REMOTE CONTROL: The DBFIT fitness tracker has the ability to control your cellphone camera, making taking selfies effortless. There is also a music feature on the device which can play the last/next song, pause and play music on your phone. This enables you to enjoy hands-free and operation of the music player on your phone. USB CHARGER & WIDE COMPATIBILITY: It takes about 1 hour to charge and the standby time is up to 7 days on a full charge. The app supports most smart phones with Bluetooth 4.0 or above. Compatible with smartphone operating systems iOS 7.1 or above and Android 4.4 or above.