IP68 waterproof design, sports unrestrained Support accurate real-time heart rate and blood pressure monitoring SPO2 independent blood oxygen monitoring, always pay attention to your physical condition Scientifically record and analyze your sleep status Monitoring motion status, steps, calories, distance and so on in real time Built-in multiple sports modes: walking, running, cycling, mountain climbing, etc Support call reminder, alarm reminder, raise your hand to brighten, social sharing (WeChat, QQ, Facebook, Twitter), etc Widely compatible with Android 4.4 or above and iOS 8.2 or above smartphones Specification: Product model: P8 Master chip: nRF52832 Sensor: BST-BMA253 ECG Sensor: Texas Instruments TI Heart rate sensor: HX 3313 Blood oxygen sensor: MAX30101 Waterproof level: IP68 Compatible systems: Android 4.4 and above, iOS 8.2 and above Screen size: 1.3 inch color screen TFT Screen resolution: 240*240 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 Life time: 7-10 days Standby time: 30 days Data storage: 3 months Control mode: full touch control / mobile APP control APP support language: Chinese (Simplified, Traditional), Japanese, English, French, German, Italian, Spanish, Russian, Portuguese, Korean, Malaysian Appearance material: 316 stainless steel ring / plastic bottom case Package included: 1 x Smart Bracelet 1 x English User Manual 1 x Charging Cable ,230823