features, such as ECG+PPG monitoring and body temperature test, which helps you get a fuller understanding of your health. No charging cable is needed, just remove the strap and plug it into power supply, then you can enjoy fast charging. More practical features are waiting for you. Features: [ECG+PPG Monitor] With professional medical chip, E66 provides ECG+PPG ECG test with ECG AI report, allowing you to know your physical health better. [All-Day Temperature Monitor] Offer 24-hour body temperature monitoring and easy temperature measurement. It will sent alarm when there is abnormal temperature. [Health Monitor] Automatically monitor and record your heart rate, blood pressure, blood oxygen and sleep data, helping you adjust yourself for a healthier lifestyle. [Fitness Activity Tracker] The activity tracker supports fitness, riding and running exercise modes. It can synchronize APP to record steps, distance and calories throughout the day. [Smart Reminder] After connected to the phone, it will provide synchronous display of message, call or social APP to remind you of important information. [Long Battery Life] Innovative USB plug-and-play charging offers 7-day battery life for normal use and up to 30-day standby time, convenient for daily use. [IP68 Waterproof] Can be worn while washing hand, swimming or showering (only for cold water), easily adapting to various environment. [More Functions] Remote camera, Alarm clock, Sedentary reminder, Find phone, Find bracelet, Weather, Lift up the screen, Brightness adjustment, etc. Note: * Please read the user manual carefully before using this product. * Please do not wear this bracelet in hot water. Parameters: Screen Size: 1.08-inch Single-touch Screen Resolution: 128 * 220 BT: 4.0 Compatibility: Android 4.4 and above or iOS 8.2 and above Battery Capacity: 105mAh Charging Time: about 2H Working Time: 6-10 days Standby Time: 30 days App: SmartHealth