Memory Wire In-ear Headphones, Mixcder SH302 Over-the-Ear Locked-in, Dual Stereo Bass Speakers, Sweatproof Running Noise Isolating Headphones with Microphone for iPhone iPad Samsung PC more Brand New Sealed Fantastic soundstage at reasonable price: Dual dynamic drivers in headphone gives superb sound,super clear on highs, and clear heavy lows from different frequencies. Noise isolating in-ear design provide a super comfortable noise reducing fit. Comfortable Fit and Ergonomic Design: 4 pairs customized earpieces included,provides the best seal in your ear canals. Memory wire technology provide a locked-in comfortable fit,you never worry it falls down. Multifunctional In-line Control Button: Built-in microphone and play pause call button let you hands-free and don't miss any call. Sweatproof In-ear Design: The best choice of headphone for your cell phone MP3 MP4 when you running hiking and doing any sports.