Everlast TR7 Activity Tracker and Heart Rate Monitor Type: Heart Rate Monitor Color: Black Size: N/A Features: Wireless Activity Tracker Watch w/ OLED Display - SYNCs w/ free Tracker AppOne Touch Display, Rechargeable Battery. Step Counter, Calories Burned, Distance Traveled, Set Daily Goals, Sleep Monitor, 12/ 24 HR Time & Date Display, ECG & Heart Rate MeasurementChinese-automatic MovementCase Diameter: 45mmNot Water Resistant |