The OPPO Watch Fitness Tracker Series can last up to 21 days without recharging when used in the power save mode. Once fully charged, there are plenty of things you can do with this accessory. For example, check the weather, track your health and fitness, and receive text, call, and email notifications. The OPPO Watch even supports 24-hour heart-rate monitoring. Therefore, you can check your health throughout the day. No matter what you use it for, you’ll experience incredible quality with the flexible dual-curved display. You can even mix up your look with various watch faces and straps. It’s available in three models: 46 mm (LTE), 46 mm (Wi-Fi), and 41 mm (Wi-Fi). The primary differences between each model are size and weight. Overall, this fitness tracker suits people on the go, those looking for a convenient way to communicate, or fitness advocates looking to monitor their progress.