Whether pumping iron at the gym or pushing both your body and sanity to the limits at a nearby skate park, the AxumGear SPRINT Workout Wireless Earbuds are here to make your activities more fun and enjoyable. Thanks to 18 different size variations and an adjustable hook, these earbuds will never fall out of your ears. Of course, music helps to drive you into the zone. Because of this, SPRINT Earbuds feature enormous 8mm drivers with enhanced bone-shattering bass to pump you up and keep you going. In addition to music, the SPRINT Earbuds are complete with an omni-directional microphone for crystal clear calls as well as access to Siri and Google Assistant. With just two long clicks, these powerful earbuds automatically launch Spotify and your favorite playlist.