Key Features:DM360 Smart Watch has a beautiful sleek design that suits any style of outfitBluetooth connectivity lets you make calls and send messages straight from your wristEnjoy a number of fitness features to stay fit and healthyIP53 waterproof lets you use it in any weather conditionManufacturer Specifications:GeneralCPU: MTK2502A-ARM7RAM: 128MBInternal Memory: 32MBDisplay Size: 1.22 InchDisplay Resolution: 240x204Touch Screen: Support CapacitiveMulti-touch: Support 1 PointBluetooth 4.0Built-in Mic and SpeakerPedometerSedentary reminderHeart RateSleep monitoringBattery Size: 320mAhContinuous Usage Time: 40 HoursBattery Standby: 100 HoursCharging Time: 3 hoursApp Name: BT SwatchCompatible OS: Android 4.3 / iOS 7.0 and above systemWaterproof rating: IP53VibrationCompanion Function (with smart phone):Bluetooth calling: Phone Call, Receive Call, Reject Call, Phone bookMessaging: Message reminderHealth tracker: Sleep monitor, Pedometer, Heart Rate monitoring,Anit LostRemote CameraOther