1.28-inch high-definition color screen for clear display, with the resolution of 240*240 24-hour comprehensive health monitoring, real-time automatic detection of exercise, heart rate, blood pressure, and blood oxygen A large number of custom dials can be switched according to your needs Multiple sports modes, intelligent selection, more professional sports Incoming call information is synchronized in real time, reminded in time, and presented clearly Support for Android 4.4 or above and for iOS 9.0 or above smartphone devices Specification: Product type: AW13 Smart watch Chip: Realtek 8762D Dimensions: L*W*H=54.4*50*13.3cm Display size: 1.28inch Resolution: 240*240 Touch form: Full touch Capacity: 320mAh Cover: tempered glass Body: Stainless steel strap Strap: TPU Acceleration sensor: Silane microC7A20 Touch the keys: Full-screen touch Vibration motor: Welded wire type flat vibration motor Heart rate module: Tianyihe chip3300 heart rate module Bluetooth version: Bluetooth 5.0 The Android system: Support Android 4.4 and above iOS 9.0 and above Firmware basic features: Meter, mileage, calories, sleep, alarm clock, stopwatch, timer, sedentary reminder, remote control photo, music control Multimotor mode: Walking, running, cycling, playing badminton, jumping rope, basketball, football, swimming Dynamic heart rate: Dynamic heart rate trends and data analysis throughout the day Message: WeChat, QQ, Facebook, Twitter, Instagram, Skype, Whats, Line, Kakao Talk, etc The dial to select: Supports 5 kinds of fixed dial The firmware language: Simplified Chinese, English, French, Spanish, Japanese, Russian, Portuguese Client language: Simplified Chinese, Traditional Chinese, English, German, French, Spanish, Korean, Japanese, Russian, Ukrainian, Arabic, Portuguese, Italian