[Product Information]

Enter your model numberto make sure this fits.
Heart Rate Monitor: Advanced heart rate monitoring technology. It keeps you knowing your heart-rate all day and during workouts， Roll Band will automatically entered into Heart rate monitoring model when you master your sport rhythm， makes exercise more scientific and effective.
Sleep Monitor: Automatically tracks how long and how well you sleep. Account records your sleep state， illustrates your sleep trends and gives you sleep including strategies.
Multi-Sports Management: Including mode of Running， Walking， Badminton and Football， there is always one you like. It can automatically identify basketball， cycling， walking and running four kinds if exercises types. All you have to do is go forward， no additional manual operations.
Call/Message Reminder: Shows your incoming calls and vibrates your wrist， even in a noisy environment， you never miss important calls， to help you take control of your day and your schedule. You can also slide the screen to reject a call convenient and efficient. 8 messages can be stored at a time on it. Message on the phone can be pushed to the Roll Band timely and the band will remind you by vibrating your wrist and display the content on the screen.
Perfect Design: 0.96 inches OLED display screen， large and convenient screen display. Time， Steps， Calories burned， Heart rate， shows at a glance， high sensitive touch screen makes interaction natural and easy to operate.