It is enjoyable to have clear and delicate image effect due to the HD-compatible display screen. The smart watch features waterproof and soft material, which will give you comfortable daily wearing experience. The main functions of this smart watch can be enumerated as follows: multiple sports modes, real-time heart rate measurement, sleep monitoring, step counting, calorie consumption, information reminder, sedentary reminder, photo control and so on. It is made of plastic ABS and PC material. The length of this product is 25cm, width is 4.6cm and height is 1cm. This smart watch is suitable for daily wear, running, outdoor and so on. Item Name: Smart Watch Material: Plastic ABS, PC Model: ZL02D Battery Capacity: 200mAh(Included) Display: 240 x 240P Dial: 3+1+1 Bracelet Bright Screen Time Adjustment: 5ms-20ms Touch Control: Full Touch Adaptation Method can be used independently or mobile APP at the same time Bluetooth-compatible Version: 4.0 Support Mobile Phone Version: for iOS 9.0 and above, for Android 5.0 and above Main Control Chip: Goodix 5515 Heart Rate Sensor: Tianyihexin HRS3300 Accelerometer Silan Micro SC7A20 Storage: None Screen Size: 1.28 Inch Features: Multifunctional, High Clarity, Health Monitoring Size Details: 25cm x 4.6cm x 1cm/9.84" x 1.81" x 0.39"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Smart Watch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.