Champion Sports Power Jump Rope Count time skips & calorie consumption with this patented power jump rope. Just enter your weight & rope will automatically tell you how many calories you burn in each workout. The handles are foam cushioned for a secure grip & rope is adjustable from 10 down to any size. When you start jumping the counter & timer will start automatically. If the alarm is set to a pre-determined time, it will beep to tell you the segment is over & will then give you calorie consumption.