【Equipped with the Latest Bluetooth 5.3 & Supports Calls】The Rmana Smartwatch Android compatible is equipped with a built-in speaker and high-performance microphone, allowing you to make calls without taking out your smartphone. After connecting to the dedicated app, you can make/end calls, answer/reject/mute calls directly from the smartwatch. This is convenient when driving or during sports when your hands are occupied. 【Receive Social Media Notifications】After pairing with your smartphone, new messages from major social platforms such as LINE, Facebook, TikTok, and Instagram will be displayed in real-time on the watch screen. This allows you to stay connected to the world at all times. 【1.43-inch Large Screen & Various Watch Faces】The Rmana Smartwatch Android compatible features a 1.43-inch AMOLED display with a high-definition resolution of 466x466 pixels. You can select various watch face designs in the dedicated "DaFit" app. Even if you upload photos from your smartphone to create an original watch face, the clear image quality is maintained. The high-visibility screen design allows you to clearly see information even in strong outdoor light. 【24-Hour Health Management to Support Your Daily Life】Tracks your sleep cycle in real-time. Accurately identifies deep sleep, light sleep, and REM sleep, generates a sleep score, and provides individual improvement suggestions. The Rmana Smartwatch Android compatible has a built-in sedentary detection algorithm that vibrates and displays a screen notification when it detects that the user has been inactive for a long period (e.g., no activity for 60 consecutive minutes). You can customize your daily water intake goals within the app. The reminder frequency is automatically adjusted based on the user's weight, exercise time, and environmental temperature. 【100+ Sports Modes & IP67 Waterproof】Supports over 100 sports modes, covering common sports. Accurately records exercise data such as distance and calories burned, from morning jogs in the park to weekend cycling by the lake. Immediate purchase is welcome. See other products here: #Ottotto'sShop