This carepeutic health love ring is not just a heart rate monitor, it has much more. it is the first and the only heart rate monitor with ring type design and six functions combined all in one: heart rate monitor, stopwatch, clock, calories, pedometer, and distance display. what is so special about this ring is that its ring is elastic and its size is suitable for any people. it has a built-in micro controller with infrared technology that can instantly provide you accurate heart rate monitoring, calories burned and distance when you are at work or exercise or even sleeping in bed. it is your implausible health mate for indoor or outdoor activities. care about your love ones? our carepeutic health love ring will bring both of you together forever. it is affordable, it also comes with belt clip holster (storage case) that has see-through magnifying glass window, another option to carry the ring with you wherever you go. powered by one cell button lithium battery (included).