STYLISH WRISTBAND WITH A HEART RATE MONITOR - This functional smart wristband with slick touch screen can be set to automatically track your heart rate (normal: 60-100 beats/min; exercise: 85-145 beats/min). It's light, comfortable and easy to wear. CONVENIENT DAILY ACTIVITY TRACKER - Records steps taken, distance traveled, calories burned for rope skipping, jacks jumping, sit-ups, running, biking, swimming, as well as active duration, activity history, etc. IMPROVE SLEEP QUALITY WITHOUT DISTURBING YOUR PARTNER - It monitors how long and deep you sleep and wake only you with a silent alarm. Your partner will not be affected. SYNCHRONIZED NOTIFICATIONS FROM YOUR PHONE - Receive instant notifications from your phone, including phone calls, SMS, emails, Facebook, Twitter and all kinds of social information. Activate the Anti-lost function to get alerted when your smart phone is beyond 5 meter Bluetooth range. Never lose your phone again. ADVANCED BLUETOOTH TECHLONOGY MAKES YOUR LIFE EASIER - Set reminders to alert you when you have been sitting or motionless for too long. Sync stats wirelessly and automatically to any brand of Smart Phone. You can even transform your phone into a remote shooting camera using the Smart wristband to control the shots, or play music and videos remotely. Requires Bluetooth 4.0 and above, iOS 7.0 and above, Android 4.3 and above to make connecting and transfer data to your Phone.