Visit our FULL SITE to order Print or eTextbooks You can't go about your adventures without the soundtrack to match. If you want clarity and definition, then the infinity in ear range will give you 32 OHM Impedance, which is twice the weight of the Zero In-Ear. An inline microphone means you can also vlog or answer calls on the go. Control your tracks with track control and answer and end call built into the main line. The Infinity In-Ear Headphones come with three different bud sizes come so you can ignite your ears in comfort.