Durable K56 PRO Smart Watch with Bluetooth Calling Features

The battery life depends on usage. In typical mode, it lasts about 3-5 days. If you use Bluetooth calling frequently or keep the screen brightness high, the battery may drain faster. Standby time can be up to 7-10 days. It is recommended to charge the device every few days to maintain optimal performance.

The K56 Pro has an IP67 or IP68 rating, meaning it is resistant to sweat, rain, and hand washing. However, it is not designed for swimming, diving, or hot showers. High-pressure water or steam can damage the internal components. Please avoid submerging it in water for extended periods.

Yes, the K56 Pro is compatible with both iOS and Android smartphones via Bluetooth. You need to download the companion app (the name varies by supplier, e.g., 'FitPro,' 'Haohualou,' or similar) from the App Store or Google Play to sync data and configure settings.

Yes, you can make and receive calls directly through the watch if your phone is within Bluetooth range. Ensure that Bluetooth calling is enabled in the app settings. The call quality depends on the signal strength and the environment.

It monitors heart rate, blood oxygen saturation (SpO2), sleep quality, and daily steps. It also tracks various sports activities such as walking, running, and cycling. Note that these features are for reference only and are not medical-grade devices. They should not be used for diagnosis or treatment.