Smart Watch - Universal - Full Touch Screen Smartwatch Men Sport Waterproof Bluetooth Smartwatch Women Call IOS Samsung | Smartwatches (Black) Highlights Universal Full Touch Screen Smartwatch Men Sport Waterproof Bluetooth Smartwatch Women Call IOS Samsung | Smartwatches (Black) Full Touch Screen Smart Watch Men Sports Smartwatooth Smartwatooth Smartwatch Smartwatch Phone for iPhone iOS Android Samsung | Smart Watches (Black) Description Smart Watches Main functions: Display current time, display exercise steps, exercise more efficiently, display current heart rate, accurate real-time measurement, exercise steps display and mileage, display exercise calories and current diet. Smart Bluetooth reminder and wake-up reminder. Call reminder, vibration reminder, don't miss important calls. Features Smart Watch -Black color. -Material: TPU. - Creen size: 1.54inch - Size: 240*240. - App: fitpro. -LIP: HS6620+BK3266. -Buetooth version: 4.2 + 5.0 Dual Mode. Preheating capacity: 150mAh. Charging time: approximately 2 hours. Working time: 5 days. -Time: about 10 days. Charging mode: Built-in USB port. ButtonFunction: Full touch screen. - Compatible system: Android 4.4 and above, iOS 8.0 and above. How to pair with your phone: TIP: Use "FITPRO" app instead of connecting to the device via Bluetooth directly. Or you will not be able to sync. 1.Download and install the FitPro app on your phone. 2.Open Bluetooth Phones. 3.Open the app, click Device: Find your device and click on it.