US HW20 Smartwatch Bluetooth Call Blood Pressure Waterproof Heart Rate Monitor

USA Seller, Ship Fast!              Description:1.28 inch full round full touch HD screen, 240 * 240px resolution to bring you a clearer, more sensitive touch screen feeling;  lens using a new generation of tempered glass material, after 10 processes of polishing, high bright surface, wear-resistant and scratch-resistant, to provide users with a unique and novel visual experience. Feature：Bluetooth call, key synchronization communication. Using dual Bluetooth voice call technology, connect to the phone to read the address book, direct dialing to receive calls;high-fidelity speakers, hands-free calls, whether sports, out or dealing with work, timely answer the phone, do not miss any important calls. Support：Uploading picture customization.  Health monitoring function: real-time heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring, sedentary reminder. Standard Exercise Function: calculate step length, calorie, distance calculatio