Smart Watch Specification： Display:2.04 inch HD Amoled Displayer 368*448 Pixels. Battery:450mAh CPU:A16 Storage: RAM 256M + ROM 4GB Strap: Standard silicone strap, suitable for 44/45/49mm strap System Support: Android 5.0+, IOS8.0+ APP Function: Real Compass function, Red dot indication for unread messages, Customize orange key functions, Customize the shortcut action bar, NFC access control unlock, drinking water reminder, sedentary reminder, Bluetooth calls, 500 contacts, sleep monitoring, independent alarm clock, 173 sports modes, lock screen password, screen off clock, Always-on display, custom watch face, voice assistant, weather forecast, calculator, timer, bedside lamp, raise to wake up, cover to turn off the screen, vibration adjustment, brightness adjustment, volume adjustment, Local music, sound recording, Real-time Positioning Watches support languages: Chinese/English/Traditional/French/German/Italian/spanish language/Portuguese/Russian/Turkish/Japanese/Vietnamese/Ukrainian/farsi Packing list: Smart watch*1 Charging cable*1 User manual*1 Original retail box*1