RBX TR2 Activity Tracker with Call & Message Display Silicone 1" high 4" wide Unisex Touch Screen Wireless Activity Tracker Watch for Use with Free Mobile Application. Silicone Textured Straps Tracks Steps, Calories Burned & Distance Traveled Digital Time Display Set Daily & Weekly Goals Call & Text Notifications Alarm Clock Sleep Monitor IP 67Waterproof Design 19 mm Diameter, .75" Band Width