Efanr 2015 Water Resistant Bluetooth Smart Watch Bracelet Exercise Smartwatch Running Wristbands Sports Watches Luxury Fitness Health Tracking System Wrist Watch Women Men Cell Phone Mate Partner 3D Pedometer Step Walking Distance Calorie Counter Activity Tracker Sleep Monitoring Silicone Temperature with LED Display for Android 2.3+ IOS Smartphones, Compatable with Apple iPhone 6 Plus 5S 5C 4S HTC One M8 Lenovo Nokia Lumia One Plus One Oppo Xiaomi Sony Xperia Z3 Huawei LG G3 Nexus Samsung Galaxy Note 4 Note 3 S6 S5 S4 S5 Active (Green)