OLED smart touch screen design?? with high sensitive touch screen and high-response?? convenience to check the time and date?? tracker data and switch the interface.</br>Great fitness tracker?? Time and date display?? Heart Rate monitor?? Sleep management?? Steps Counting?? Distance measurement?? Calories Burned Measuring?? motivates you to be active throughout the day.</br>Your Smartphone Companion: Support Messages?? SMS?? Call?? QQ?? Wechat?? Facebook and Twitter vibrating alert with the display of message content and contact name or number; no Sound alarm clock to wake you up.</br>Compatibility: Bluetooth 4.0?? Requires Android 4.3 and above?? IOS 8.0 and above OS. For Samsung?? Apple?? Note 5?? S7?? S6?? S5?? iPhone 6S / 6S Plus / 6 / 6 Plus / 5S / 5 and so on.</br>Personalized app "a on your phone; Support 12H / 24H time?? imperial / metric measurement; Set your personal information and chose the item needing vibrating alert.</br></br>Product Description</br></br><b>Product Description:</b><br><br> - Life waterproof.<br> - Heart Rate Detection: Supports real-time monitoring and all day monitoring<br> - Display time and date<br> - Sedentary remind<br> - Steps Counting: Record day walking steps <br> - Calories Burned Measuring<br> - Call?? Message Reminder<br> - Touch button: Easy view the data from screen<