Features:Wide Compatibility: for Android 4.4 and above, for IOS 8.0 and above. Support BT 4.0LE connected. Fits most smartphones.Great Craftsmanship: 0.96inch color display screen, clearly showing the date, clock and battery power. Just 22g, it looks fashion and thin. Silicone watchband with adjustment holes, wear it comfortable and valuable.Heart Rate Monitoring: Optimize multiple motion algorithms to ensure the accuracy of heart rate, when moving, you can look at your heart rate data and help you keep track of your physical condition.Real-time Pedometer: Intelligent computing moves the pace, time, distance and calories consumed, and generates daily, weekly, monthly exercise statistics.Sleep Monitoring: Monitor your sleeping condition and analyze sleeping quality, help you better understand your sleep patterns.Call/Message Reminder: Smart band will vibrate to remind you of calls and messages, support SMS, QQ, Wechat, Whatsapp.Waterproof: Effective prevention of living water and exercise sweating.Convenient USB Charging: This host adopts the USB charge port, so you can charge it anytime and anywhere.Function:Mileage Step countCalories Sleep detectionReal-time heart rate Message notificationIncoming call Refused the phone Blood oxygen Health plan Alarm clockSedentary reminder