HIGH-QUALITY BASS AND NOISE CANCELLATION - Exclusive driver pumps out the deepest bass with ultra-clear sound. In-ear noise isolating technology reduces ambient noise and relax you completely with surround sound effects. A great companion for indoor workout, outdoor running or airplane travels. COMFY AND SECURE FIT - 3 pairs of small, medium and large size soft designed silicon replacement earbud tips ensure your headphones stay comfortably in place without falling out. SWEAT-PROOF AND LIGHTWEIGHT DESIGN - Tornado shape lasered earbuds gives a unique look and makes you out stand in the crowd. Metal shell and seamlessly connection joint prevent sweat from leaking into the inside of earphones.