GH Smart is an application that helps you lead a healthy and prosperous life. With smart devices such as smart watches, you can manage your daily physical condition and operate the function of linking with your smartphone. Oinvo App can synchronize data such as steps, calories, mileage, sleep and exercise records recorded by the watch. GH Smart App will push the phone call and text message content to the watch, in order to prevent you from missing key information (this feature requires your authorization). You can use the App to configure the watch's sedentary reminder interval, alarm clock, backlight, and weather synchronization, so that you can use the watch better. The GH Smart App will also better display your recent exercise through graphs and statistics. Supported watches: For GH series watches, if there is follow-up update support, we will update them in time. If you have any questions, welcome to contact us at any time. Thanks again for your use.