USPRO LED Waterproof Watch Pedometer 3D Watch Heart Rate Monitor Fitness Activity Tracker LED Watch Army Green Main Function: Display time and date; Pedometer AND ; Heart Rate Measure; Timer; Alarm; Backlight Mode Water proof: 50 meter under water. Do not need to take it off while washing hands, swimming and in rainy days Protective ABS Plastic Crystal Dial Window, Flexible PU Band, Fasion and Comfortable. Six colors for your choice: Black, Red, Yellow, Orange, Silver, Army Green. Note: Keep it away from Hot water. Do NOT put this item directly under running water. Do not press any buttons when in water.