Sony MDR-EX15AP EX In-Ear Wired Stereo Headphones with Mic (Black) FEATURES In-line Mic for hands-free calling 9 mm neodymium drivers for powerful, balanced sound Lightweight for ultimate music mobility Comfortable, secure-fitting silicone earbuds for long listening hours Match your style with vivid colors 8 Hz–22,000 Hz frequency range In-Line Mic for Hands-Free Phone Calling For people who love listening to music on the go can switch from music to call with one touch. 9 mm Neodymium Drivers for Powerful, Balanced Sound Feel the thump of bass and the clarity of midrange and treble sounds with high-power neodymium magnets. Smart-Key App Simplify your life. Personalize your headset with this easy-to-use application. Configure your mic button to chose from Volume control or track control functions. Download the application from play store and follow easy intructions to set functions from mic button. This applcation is comapatible with andriod 4.0 and above. Lightweight for Ultimate Music Mobility With Sony MDR-EX15AP Enjoy music for long hours without any discomfort. Comfortable Silicone Earbuds Enjoy comfort and stability with hybrid silicone earbuds, provided in 3 sizes for that perfect fit. Wire Manager Comes with a wire manager to save your headphones wire from getting tangled. Match your Style Sony MDR-EX15AP comes With 5 different colors to choose from you can pick the one that suits your style. 8 Hz – 22 kHz Frequency Range The wideband frequency range spanning 8Hz to 22kHz helps to hear the detail in every track and stay in tune with all your music.