As one of its daily deals, Yugster offers the SMS Audio BioSport Biometric Earbuds in Blue, Gray, or Yellow, model no. SMSEBBIOSPORT, for $9.97 plus $2 for shipping. That's the lowest total price we could find by $3, although we saw them for $2 less on Black Friday. They measure your heart rate and are compatible with iOS or Android devices. Deal ends today.