Description: Compact size and lightweight, easy for carry. Maintaining a good heart rate helps to achieve the desired training effect. This product records the process of heart rate changes for you and tracks your heart rate to quantify your heart rate status. No need of mobile phone, use the wristband to directly measure blood pressure, based on the pulse conduction rate technology allows the optical sensor to directly measure the blood pressure. Turn on the whole point function of the APP. At 0 points per hour, each test of the wristband will automatically start, you can keep abreast of your physical condition. New hardware platform intelligently calculates walking steps and distances, greatly improving accuracy and making daily step measurement data more accurate. Open APP real-time running function, mobile GPS function will start recording your trajectory, display the map, distance, time, speed, consumption and other data. Analyze your sleep quality throughout, such as length of sleep, depth, etc. Connect the bracelet to the APP, wearing the bracelet, and shaking your arm to take a picture Open the “look-up bracelet” in APP and the bracelet will vibrate. IP65 waterproof and dust-proof grade, effectively prevent water and sports sweat for daily use, but it is not recommended to wear when swimming and taking shower. It has many functions, such as blood pressure/heart rate/blood oxygen monitor, sleep monitor, pedometer, calorie consumption, waterproof, call remind, alarm, sedentary remind, tired monitor, anti-lost, GPS, message, shake camera, etc. small but practical. Specification: Item type: smart watch Color: sapphire blue, black, red Main body size: about 511.6mm Strap size: about 23511.6mm Screen size: 0.66-inch Material: PC, silicone Chip: NRF51822 Sensor: MegaChips, PAH8001E1, hexagonal axial sensor MPU6500 Waterproof level: IP65 Battery: 80mAh lithium polymer battery Charging time: about 1.5h Duration of flight: about 3-5 days Standby time: about 7 days Compatible system: mobile phone with Bluetooth 4.0, Android 4.4 and above or IOS 8.0 and above Language: English, Chinese Function: blood pressure/heart rate/blood oxygen monitor, sleep monitor, pedometer, calorie consumption, waterproof, call remind, alarm, sedentary remind, tired monitor, anti-lost, GPS, message, shake camera, etc. Package includes: 1 Charging cable 1 * Manual Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering. High quality store for you!