Specifications: APP name: IW07 smartwatch Display: 1.75 inch IPS Screen Colorful Full Touch Screen Resolutions: 320*385 Bluetooth: 4.0+3.0 Battery: 200 mAh lithium polymer battery IP68 Waterproof CPU: 8762DK Compatible Systems: Support Android 4.4 and above, Support iOS 8.0 and above Charger Time: 2 hours charging,3 hours charging if first use Packing List: 1* Smart Watch 1* USB Charging Cable 1* User Manual 1* Retail Box