1 Handsfree model is powerful yet comfortable in ear headset. These lightweight and stylish stereo Mettolic 1 Handsfree earphones come with canalphone in-ear design and easily fit into the ear and stay in place, so that you don't have to adjust them constantly. The Mettolic 1 Handsfree submerges the user with its crystal clear and bass-driven sound. Full sound With In-Ear design and passive noise isolation, Dynamic Deep bass and high resolution treble sound. Noise cancelling earphones block a lot of ambient noises around you, on the bus, noisy street construction. Sounds like surround sound in your ears. Four different sized earbuds are included so you can find your perfect fit. Simple, stylish design - Sleek and simple the Mettolic 1 Handsfree stereo headphones are the perfect accompaniment for mobile devices. Mettolic 1 Handsfree model delivers crisp sound and deep, distortion free bass for an immersive audio experience. A built-in answer/end key on the headphones allows you to answer or end a phone call at the touch of a button, keeping your hands free as you talk.