This model has earbuds that fit comfortably in your ears while the back side goes around the back of your head. It can be used to listen to music as well as talk on the phone, which makes it a very flexible option. Overall, this is a very nice option with some innovative features, especially for a model that is priced so competitively. Sound Quality – When listening to music you will appreciate the ‘Harman Kardon Signature Sound’ technology used in this model. It allows for deeper bass and clarity on the hi-end sounds. Even voices sound natural and clear on this headset. Jog Button – You can use the jog button to control volume and other things more easily without having to fumble around trying to find the right controls. Audio Interaction – You can have this device ‘read’ texts or other things to you. It can also tell you the time with just a tap. Comfort – These headphones were designed for comfort. They have gel earbuds and the device itself wraps comfortably around your head so it holds in place.