Listen to music or other noises in your ear.
iPhone with lightning port
yes, control music and video playback, answer and end calls
3.5 in x 2.7 in x 1.1 in
Earpods: if you have an iPhone it's highly likely you've had a pair of these. While they are the stock headphone for the iPhone, they actually produce a relatively decent sound, not to mentioned they're super lightweight, comfortable, and don't require charging!