Everlast TR12 Activity Tracker; Includes Caller ID and Message Previews - Stay on track with the Everlast TR12 Activity Tracker with Caller ID and Message Alerts. This activity tracker features a silicone band and comes in a selection of color options to choose from. Perfect for fitness motivation, it will alert you when you have been motionless for too long and track your steps, sleeping patterns, and calories burned. It is also compatible with current Android and iOS phones to alert you of incoming messages and calls. For a hands-free selfie, the band also includes a button that will snap a photo on your phone from a distance. The tracker will never get too far away, an anti-loss alert will notify you when it is more than 30-feet away from your home.