[Bluetooth Call]The woman smartwatch uses advanced chips and high fidelity waterproof speakers to support two-way communication. Open the "Da Fit" APP add the device "I20" watch, set the bluetooth connection page on the phone and connect to bluetooth. You can dial / answer calls and even listen to music on the watch. Whether you train or drive, you can free your hands anytime, anywhere to make communication more free. [1.69 Inches New more remarkable design]This women smartwatch watch is equipped with 1.69 inch TFT color display, 240 x 285 HD resolution provides excellent picture quality. Full touch screen technology makes your operation quick and easy. With the custom watch face, you can upload your favorite image as the watch face interface, this is a custom fitness watch completely yours. [24 Hour Heart Rate Monitor & Sleep Tracking]Fitness Watch Built-in high-performance motion sensor automatically monitors and detects your heart rate in real time, helping you to optimally adjust the intensity of your workout. Smart watch can also measure sleep automatically, record mild sleep, deep sleep and wakefulness. provides a comprehensive sleep quality analysis to help you develop a healthier lifestyle. [8 sports modes, IP67 waterproof]The fitness tracker has 8 sports modes, such as running, cycling, yoga, hiking, mountaineering, etc. This women's smartwatch also provides detailed training data such as distance, calories and steps. To make each exercise more professional and scientific. It is IP67 waterproof to meet the waterproofing needs of daily hand washing, rain, etc. Note: Do not use in hot water. [30 days Smart Standby and Reminder]women wrist watch equipped with 220mAh battery, using a high-performance and low-power processor, charge for 2 hours, normal use for 5-7 days, standby time is about 30 days. After successfully connecting to your phone, it will automatically sync reminders of incoming calls, SMS and social messages (Facebook, WhatsApp, Twitter, Instagram, etc.) and vibrate to remind you.