A great workout isn’t the same without an inspiring soundtrack to accompany your own personal training montage…now you can get your heart pumping and keep track of it with the SMS Audio BioSport Biometric Earbuds. Powered by Intel Technology, these unique wired headphones feature a built-in optical sensor to accurately measure your heartrate without having to wear any additional wires, strap, or additional batteries to weigh you down. Simply plug into your device and you’re ready to go. Designed for durability, these smart headphones are IPX4-rated for sweat and water resistance so you can go for that personal best without worrying about the elements getting in the way. Most importantly, the BioSports offer big sound to drive your workout to the next level with professionally tuned 12mm drivers for crisp vocals, tight bass and dynamic mid-range tones.