Feel the Music - Professionally tuned 12mm drivers to deliver crisp vocals,tight bass and dynamic mid-tones. This is studio masteredsound on the go.
Lose the Strap - Now you can track your heart rate while listening to yourfavorite tracks without an uncomfortable strap ormultiple devices.

Dive In - SMS Audio BioSport Earbuds are IPX4 rated forresistance to sweat and water.

Throw out the Batteries - The 3.5 mm gold-plated audio jack delivers all the poweryou'll ever need for biometric monitoring. There isnothing to replace or recharge.

Track Results - SMS Audio BioSport Earbuds are compatible with majorfitness apps, so you can stay in shape and on track. Such as Run Keeper