Key Features:Built-in 180mAh polymer battery. 1.22 inch IPS color screen, make the screen clearer.IP67 waterproof, you can wear it to rain, wash hands, but do not put it in hot water and not fit for swimming.Display alert for incoming call, text message and schedule, information will not be missed.Sleep monitoring, sleep analysis function, enabling good mastering of sleep.Accurate electrocardiogram analysis can monitor many kinds of health indicators, help you predict abnormal symptoms of your heart.Manufacturer Specifications General Brand: Zeblaze Functions: Instant ECG on demand, GREENCELL Heart Rate Algorithm, All-day activity tracking, Multi-sensors, Mobile alerts, Pedometer, Sleep monitor, Run route tracking, Stopwatch, information / telephone reminder, find mobile phone / Smart bracelet, Shake snapshot, multiple language support.BT version: BT4.0Water resistant: IP67(5 ATM Waterproof)Screen Size: 1.22 inchScreen type: IPS Color displayResolution: 240204pixelCompatible with: Android 4.4 / iOS 9.0 and above systemAvailable Color: Black, Red, BlueType of battery: Lithium polymer batteryBattery Capacity: 180mAhStandby time: 168 hours(depend on the actual usageCase material: DLC(Drilling Carbon Coating)APP language: English, Português(Brasil), Português(Portuguesa), русский, Español, Italiano, Français, Deutsch, Polish, Korean, JapaneseBand material: 26mm Sport Strap(TPU)Suitable for wrist size: 120 - 220mmDial size: (L x W x H)50x 50 x 14.8mm/220.6inPackage size: (L x W x H) 17212030mm/6.74.71.2inProduct weight: 74.6gPackage weight: 180gPackage list: 1 Smart Watch 1* Charging Cable1* User Manual