Comcome Upgraded Waterproof Touch Screen Bluetooth Fitness Tracker Watch Sport Activity Monitor with Pedometer Distance/Sleep/Calories Tracking Call/Alarm Vibration for IOS7.0+ AND Andriod 4.3+ Pls Refer to 5th Picture on the list for pair the phone and the tracker. 0.86 OLED touch screen display--which you can read time, monitor calories/steps/walking distance, call in/alarm/task finish vibrating reminder Waterproof feature--using ultrasonic welding tech, you can wear it while swimming. Easy connection with your smart phones--IOS7.0+ and Andriod 4.3+ system support. Using your smart phone to monitor your daily activities, set your sport goals and remind you the percentage youve accomplished.Sync with your phone is very easy. Instruction is clear. Whats in the box--Bracelet, USB charger Dongle, User Manual