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pictures description wristwatch categories : adult wristwatch style : sport wristwatch function 1. support bluetooth 4.0, android 4.4+, ios 8.4+ 2. touch the screen to control the wristwatch 3. steps,calorie,distance : when exercising, it can record the number of steps, the calories burned, running trajectory and the distance to the destination. 4. heart rate monitor : it will accurately monitor and record your heart rate. 5. blood pressure monitor : it will accurately monitor and re...