Specifications:The intelligent vibration reminds you of the upcoming call or message.Has health function of heart rate and sleep monitor.Easy to use 0.96 inch TFT single point touch control.Strap material: SiliconeBattery: 90 mAh battery (included)Bluetooth: 4.0Support system: for Android / iOSFunctions: pedometer, Distance, Calories, sedentary reminder , Heart rate monitor, Sleep monitor, call / message reminder, alarm clock, remote camera shutter, phone detector, OTA update, etc.Features: touch screen, multifunctional, Bluetooth connectionPackage Includes: 1 x Smart Bracelet1 x User Manual