1Electrocardio + PPG monitoring. Large screen to show your dynamic electrocardiogram, helping you keep abreast of your own health. 21.3inch HD round touch screen. Sturdy and durable, high-end metal body design, suitable for any occasion. 3Blood pressure and heart rate monitoring by detecting the pulse conductivity, allowing you can learn more about your own health. 4IP68 waterproof. It can meet your daily needs of cold water shower, sweating, washing hands and so on. 5More accurate motion data. Equipped with a variety of motion sensors to record your exercise data throughout the . 6Magnetic charging, equipped with large capacity battery, long standby time. 7Main features: Step counting, calories, distance, sleep monitoring, exercise mode, call reminder, alarm clock reminder, raising hand to brighten the screen, social sharing (for WeChat/QQ/Facebook/Twitter) shake to take photos, etc. Item Type Smart Bracelet Condition 100% brand new Color Black Product Model P8 Master Control Chip NRF52832 Sensor BST-BMA253 Electrocardio Sensor For Texas Instruments TI Heart Rate Sensor HX 3313 Blood Oxygen Sensor MAX30101 Vibration Mute/vibrate Waterproof Level IP68 Compatible System For Android 4.4/iOS 8.2 or higher Special Features Electrocardiogram, blood oxygen, blood pressure, heart rate Care Family sharing real-time data Screen Size 1.3 inch color screen TFT 240x240 Screen Type IPS HD TFT (full touch) Bluetooth 4.0BLE (low power consumption) Battery Type High density polymer lithium battery Battery Capacity 300mAh Charging Method Magnetic Charging Time About 4 hours EnduranceTime 7-10 for using, standby for 30 Data Storage 3 months Control Mode Full touch control, mobile phone APP control Product Language Watch Supported Language: Chinese (Simplified, Traditional), Japanese, English, French, German, Italian, Spanish, Russian, Portuguese, Polish, Malay APP Supported Language: Chinese (Simplified, Traditional), Japanese, English, French, German, Italian, Spanish, Russian, Portuguese, Korean, Malay Material 316 stainless steel ring, plastic bottom case, strap: green TPU/metal leather strap 1 x Smart Bracelet1 x Tempered Glass Screen Protector1 x Charging Cable1 x Use