T55 Pro Max smart watch lets you receive or reject calls and comes with other fitness functions including heart rate, blood pressure, and calorie loss. You can run this smart-watch for 2-3 days on a full charge. It has a built speaker and can control pause/play / next/previous audio music with this watch. It has sports, health information, track, pedometer, sports steps, calorie consumption, exercise mileage record, sleep detection, heart rate, Bluetooth call, and alarm clock functions. This smartwatch comes with a pair of Earbuds.