This smartwatch is the perfect companion for sports and fitness enthusiasts. With its digital display, it can track your blood pressure and water intake, making it an ideal device for those who want to stay fit and healthy. The watch is waterproof and can be worn with ease, thanks to its comfortable silica gel band and alloy case. The D18 model is compatible with both Android and iOS operating systems, and comes with a range of features that make it stand out from other smartwatches. Its 40 mm case size and sleek black colour make it a stylish accessory that can be worn with any outfit. This smartwatch is manufactured in China by Shangfan, a trusted brand that is known for producing high-quality tech devices.