HyperGear: A World Leader in Professional Bluetooth Hands-Free Technology, Designed in California A Trusted American Brand All products are performance tested and vetted through our rigorous quality inspection process to ensure reliability. HyperGear Freestyle Wireless Earphones HD Sound. Natural Noise Isolation. Bluetooth Connectivity Universally compatible with all of your Bluetooth devices, including PCs and Macs / Apple iPhones and iPads / Android smartphones and tablets. Ultra HD Sound With HD sound quality and enhanced Bluetooth v3.0 Technology, these in-ear headphones deliver the best sound available. Natural Noise Isolation Natural noise isolation reduces distracting ambient sound so you can hear the crisp HD sound without interruption. In-Line Noise Cancelling Microphone The HyperGear Freestyle Earphones feature an in-line noise cancelling microphone to make sure that your voice comes through crisply and clearly. Ergonomically Designed For Exercise Lightweight earbuds with soft ear gels that come in three different sizes and conform to the contours of your ears for the perfect fit, so they stay in even during athletic activities like running. Dust and Sweat Protection Provides a special nano coating that guards headphones against sweat and dust so you can have uninterrupted exercise and adventures! Convenient Controls and Clip Easy-to-use in-line controls for volume, call management, play / pause music, track skip, and Siri / Google Now / Cortana Integration all clip conveniently onto your clothes for rigorous exercise training. Tangle-Free Flat Cable Frustration-free flat cable included that actively prevents tangling! Extended Battery Life Premium built-in lithium polymer battery works for up to four hours of playtime. HyperGear gives you peace of mind by providing you with an extended ; a 12 month manufacturer's and a 12 month extended only for Amazon customers!