Compatible with devices that use a 3.5mm standard jack. In-line microphone pulse control switch and volume control 1 click for play/pause, 1 click to answer or end calls, 2 clicks for next track Half mic, half bud, and all boom Nylon mesh carry case included 2 silicone gel ear tip sizes 2 Silicone Gel Sizes Frequency Response: 20-20k Hz Nylon Mesh Carry Case