MINDBEAST SPS03-HD is an in-Ear Wired 4Hz to 40KHz High Resolution Extra Bass Sound Noise Cancelling Headphone. It focuses on ultimate bass hit listening experience without losing mid and high range sound. It also focuses on passive noise reduction / sound proof technology which allows for a full immersion into your own music world without unwanted interruptions. SOFT AND FLEXIBLE EAR-HOOKS FOR COMFORTABLE WEAR MINDBEAST Shark Fin ear-hooks are made of advanced soft and flexible silicone material to be able to bend in all directions in order to suit your specific ear shape. Those ear-hooks are also strong enough to give appropriate level of support preventing the earbuds from falling out of ears during intensive workouts or sports activities. The earbud is ergonomically designed to angle 45° into ear canal, which is more comfortable compared with the most 0° angled earbuds on the market. Angled tip also allows stronger bass hit and better music experience. IN-LINE REMOTE CONTROL MIC Answer Calls: Press Once: Answer Press Again: Hang Up Long Press: Reject Play or Skip Songs: Press Once: Pause Press Twice: Next Song Press Three Times: Previous Song TANGLE-FREE SWEAT-PROOF DURABLE WIRE Bullet-proof material is used as the outer layer of wire to make it strong and durable. Smooth surface helps to minimize noise during exercise by decreasing friction between wire and your running suit. (An earphone clip is also provided to further decrease the noise during sports.) It also helps to extend headphone lifespan by preventing water splash or sweat from outside. L SHAPE PLUG FOR NO INTERFERENCE Compared with regular straight plug, 90° angled "L" shape plug allows more rooms for your hands to grab and perform on your mobile devices, such as playing mobile games, watching a video or simply texting. It also allows the 3 bands on the plug to fully connect to your device to produce full music experience from both earbuds, while prevents it from bending. An enhanced hard black plastic is used to further protect conjunction part which prevents easy abrasion of the wire.