Bi-directional Sound

- With 13 speaker units

And the eartips won't hurt your ears no matter how long you exercise and won't fall out no matter how much you move

and integrated USB 3

ED (Extra-Low Dispersion) Glass - An optical glass developed by Nikon that is used with normal optical glass in telephoto lenses to obtain optimum correction of chromatic aberrations

Champs Vintage III 3-Piece Luggage Set in Black - S1033-BLACK Ultimate Ears Bi-directional SoundPresenting the Vintage III Collection; a timeless ensemble that combines sophistication with modern functionality. This 3 piece set offers all the premium features you could desire; including on the go charging; recessed TSA locks; and expansion on all sizes. Designed for individuals and families alike; this collection ensures versatility without compromising on storage; as each piece nestles neatly within the other; saving valuable space at home.