⭐️ We are actively considering price negotiations ⭐️ SMS Audio biosport Wired earphones with heart rate monitor SMS Audio BioSport earphones with heart rate monitor function, blue design. Brand: SMS Audio Model Name: biosport Included items: Storage case, ear tips Color: Blue, Black Thank you for viewing. It has been opened, but it is unused. The following is an excerpt from the release at the time: BioSport InEar with Heart Rate Monitor (BioSport), a waterproof sports earphone developed in collaboration between Intel and SMS Audio, will be released in Japan. It has a built-in optical heart rate sensor and can be linked with fitness/workout apps for smartphones. BioSport is a wired sports earphone with a built-in heart rate monitor. It is a model that was announced in the US, and it is a two-birds-with-one-stone item that allows you to listen to music and measure your heart rate during exercise. Bluetooth is not included because priority was given to "usability for everyone," and it is used by connecting it to the earphone jack of a smartphone. This is a rare, unopened product that is not often seen. It seems that there are compatible models for app linkage. Please do so at your own risk. Thank you for viewing. SMS Audio biosport Wired earphones With heart rate monitor Audio Earphones Music Sports