Our smart-watch is compatible with Android and iOS system, which allows you to make separate calls and receive or send messages when your phone is not around. With functions of heart rate monitor, blood-pressure and sleep monitor, multi-sport mode, physiological cycle and so on. It's your perfect fitness-tracker and life assistant. Features: -Stylish Appearance:1.4" large color touchscreen, clearly display and convenient for operation. -Heart Rate; Blood-Pressure Monitoring:24 hours monitoring, Record data in real-time and focuse on your healthy condition during work or sports. -Multi-Sports Mode; Scientific Sleep:Supports multiple sports. The watch can measure your steps, calories, distance, heart rate data to help your achieve your fitness goals. Monitors different sleep stages, care for your sleep and adjust sleep habit. -Call Notification Reminder:Enjoy fine quality voice calls and receive messages and notifications more conveniently. -IP68 Waterproof:High water resistance level, satisfy the needs of daily life such as washing hands, being caught in the rain and swimming. -More Functions:Support countdown, find my phone, stopwatch, shake to photograph and so on. -Compatibility:Support phones with iOS 8.0/ Android 4.4 above system, compatible with BT 5.0 version. -Music Control:With this watch, you can control music freely, and enjoy the leisure time. -Women Health Recording:This watch provides reminders for girls, which includes safe period, menstrual period, ovulation, cares for girls healthy and mood. Specifications: Color: Red/ Black/Gold/ Silver-Grey (Optional); Screen: 1.4inch TFT IPS colorful; Screen Resolution: 240*240; BT Version: BT 4.0; Main chip: nRF52832; Material: Zinc Alloy; Strap Material: TPU; Compatibility: Android 4.4/ iOS 8.0 and above; Built-in Battery: 1 * 3.7V 200mAh Lithium Battery; Waterproof: IP68; Package Size: 100*90*65mm/3.94*3.54*2.56in; Package Weight: 230g/8.11oz; Packing List: 1*Intelligent Watch