Anti-dust and Waterproof rating:IP 67 Life-level waterproof, sweat-proof, rain-proof, but do not wear it when you are showering and swimmingSleep Monitor:Device could automatically recognize your state and monitoring the whole sleep progress with analyzing the deep sleep and light sleep hours and through the vibration alarm clock wake you quietly.Screen Size:0.86 inch OLED screen multi-point touch screen switch modeNotification Alerts: Alarm alert, call alert, sedentary alert, etc. by silent vibrationActivity record: to record your daily activity ( step pedometer, distance, calorie etc )Health Tracker: Pedometer, Calories Counter, Distance, Sleep Monitor, Sedentary reminderRemote camera: take photos by phone through remote control of the braceletAnti-lost:when the smart phone is beyond the Bluetooth range(5m), the device vibrates to remindSpecificationsCPU:NordicSensor:Kionixattery capacity?50mAhHost Weight?18gOperating temperature: -10 ? -45 ?Waterproof grade: Life waterproofNote1.This wristbanddoes not support the heart rate monitor. But also apply to this version of APP2.Compatible OS Android 4.4 / iOS 7.1 and above system. Pls check if the phone matchs up the OS before you place a order.3.Supports the life waterproof, you can wear it to wash hands, but not put it into the water or take a shower with it.Package:1 * smart bracelet1 * user manual