U watch WT60 Universal Bluetooth Watch (Red). Allows you to answer calls with earphones and hands-free. Suitable for Bluetooth 1.0, 2.0, 3.0, 4.1. Comes with pedometer function, stopwatch function and altimeter function. Built-in Runtastic Altimeter PRO, you can measure the altitude anytime good friend for climbing and traveling. Built-in pedometer, it can record your activity data all day, provide full data for your healthy.