Nolia W7 Sports Fitness Tracker Pedometer Smart Watch Waterproof Bracelet Style: Fashion & Casual & Sport & Wearable Water Resistance Depth: IP67 Lever Life Compatibility: Android 4.0 or above, IOS 7.0 or above Features: Super-long Battery Life, Waterproof, Pedometer, Calories Monitor, Alarm, LED Time Dimension: 255*16*9.2mm