Willful Smart Watch for Android and iOS Phones Compatible iPhone Samsung, Men Women's Waterproof Tracker Fitness Watch Heart Rate Monitor

Compatible with most iOS 8.0 & Android 4.4 above smartphones. Supports 9 sports such as Walking, running, bicycle , Hike, Mountaineering, Dynamic cycling, fitness, treadmill, Yoga. Waterproof Fitness Watch & Long-Lasting Battery More Practical Tools & App Details