TIMEX Hi-tech Accessories. IRM Run X50, Timex The new line of Timex Run X50+ devices uses advanced technology for a smartwatch that transfers all the essential data runners want from their phone to their watch during training. Easy-to-read display, high resolution clarity. Interfaces with your smartphone, compatible with iPhone and Android. Allows you to keep your phone safely hidden as you check training info in real time directly on the watch. Compatible with all the best running/fitness apps. Bluetooth heart rate monitor included. Phone function for displaying calls. E-mail/text function: optional filter for checking who is messaging you during your workout. Plastic