ECHO RAINBOW smartwatch shark black, sports functions, health sensors, smartphone connection, sleep monitoring, audio-video control

Advanced Health Sensors: Measure calories, blood pressure, and heart rate accurately. Enjoy in-depth sleep monitoring and analysis to optimize your well-being. Built-in sports functions: Use the pedometer to count your steps, track the distance traveled, and engage in various exercises to achieve your sports goals. Smart Connectivity: Receive messages, check the weather, control your smartphone's music and camera, and customize your watch face and display to your preference. Bluetooth connectivity with smartphone: Easily connect your watch to your smartphone via Bluetooth for a smooth user experience. 1.69'' TFT Rectangular Touch Screen: Enjoy a high quality touch screen with a resolution of 240*280 pixels, providing a crisp and responsive visual experience.