Bluetooth 5.3 Communication: Cillso smart watch features an advanced single-chip processor and sensitive microphone, enabling direct call making and answering. When you enable the "VeryFit" App to receive messages, notifications will be displayed on the smartwatch. Get all your messages and notifications (Facebook, Twitter, WhatsApp, Instagram, Messenger, Linkedin,Skype etc.) sent straight to your smartwatch with intuitive customizable vibrationsBuilt-in Alexa Voice: This smartwatch features the Alexa voice assistant, allowing you to enjoy a completely hands-free experience right on your wrist with just a flick of your finger. Simply use voice commands to instantly access news, weather, and calendar updates; control smart home devices; and manage your music playback. This comprehensive set control features not only simplifies daily tasks and improves multitasking efficiency, but also keeps your hands free when it matters most.1.83" HD Display: The IDW26 unisex smartwatch features a 1.83-inch HD display with 3D tempered glass and a resolution of up to 320×385, delivering crisp visuals and a highly responsive touch experience, with 4 adjustable brightness levels. Through the “VeryFit” app, users can access over 130 stylish watch faces and create custom designs to personalize their device.Multiple Sports Modes: This fitness tracker supports over 120 specialized activity modes, covering a wide range of indoor and outdoor activities such as running, cycling, and soccer, making it suitable for people of all fitness levels. Equipped with high-precision sensors, this fitness watch accurately tracks steps, distance, calories burned, and exercise duration, helping you analyze your performance and optimize your training plan.Long Battery Life: This sports smartwatch features a low-power design and is equipped with a 300mAh battery. A single 1.5-hour charge provides up to 5–7 days of usage and 30 days of standby time. It is widely compatible with smartphones running Bluetooth 4.0, Android 5.0, iOS 9.0, or later. In addition, this activity tracker offers a variety of practical features, including an alarm clock, stopwatch, timer, phone locator, and camera control.24/7 activity tracker: This Android smartwatch is equipped with a high-precision optical sensor, helping you stay informed about your physical condition at all times. In addition, it intelligently analyzes your sleep quality, accurately distinguishing between deep sleep, light sleep, and wakefulness, to help you improve your sleep habits. When paired with the dedicated app, you can view long-term health trends and receive personalized recommendations to gradually adopt a better lifestyle.