Digicare Bluetooth 4.0 Smart Wristband - Activity Tracker Sleep Monitor Heart Rate Measuring Health Care (Green) ERI is a newly design smart wristband for fitness: It can track your steps, calories, distance automatically. You can wear it to run, swim, cycle, climb. At night, it tracks your sleep quality and wakes you up silently in the morning. You can watch time, temperature, and how the goal you have achieved on the display. Even more, you can bring more features with ERI SDK Motion Type Recognize Automatically: With DigiCare's intelligent algorithm, ERI can recognize regular motion type automatically. When you are walking, running, swimming, cycling, climbing, sleeping, ERI will record the duration for each motion type and show on the App Sync your stats, See your progress: ERI automatically sync your date to iOS devices and select Android phones without plugging in or pushing buttons. This gives you real-time access to your stats on the DigiCareMobile throughout the day Apple Notification Center Service: ERI smart wristband may be the first wristband support Apple Notification Center Service. It will be a good partner with your iPhone. All notification from iPhone will sync to ERI and vibrate, show one the screen. You don't worry about missing important calls or messages Adjustable length, lightweight, waterproof and comfortable