1Low power consumption and good endurance. 2Food grade silicone material, can be replaced with two color watchband. 31.4 inch touch screen, 240*240 resolution, wear resistance and scratch resistance. 4With the intelligent blood pressure monitoring and heart rate function. 5Beautiful appearance, comfortable to wear, suitable for various occasions.Features:Low power consumption and good endurance. Food grade silicone material, can be replaced with two color watchband. 1.4 inch touch screen, 240*240 resolution, wear resistance and scratch resistance. With the intelligent blood pressure monitoring and heart rate function. Beautiful appearance, comfortable to wear, suitable for various occasions. Match with the client APP, conduct personalized Settings and synchronize motion data. The APP can be used to control the phone's functions of taking photos and searching the phone. Fit for android 4.4 or above and fit for IOS8.0 or above. Specification:Heart rate & blood pressure monitoring: YesPedometer: YesSleep monitoring: YesSedentary remind: YesCPU model: nRF52832APP name: H BANDCompatible with Bluetooth: 4.0Call reminder: YesAlarm clock: YesSecond chronograph: YesCountdown: YesWaterproof grade: IP67Screen: 36 * 40 * 12mm / 1.4 * 1.6 * 0.5inColor: Black, Rose Gold (Optional)Package List:1 x Smartwatch1 x Charging Cable1 x Instructions