Open Ear Technology: Enjoy powerful audio with open ear air conduction technology that directly delivers clear, natural sound to your ear without hurting your hearing. Best Fitness Partner: Experience more efficient workouts with IPX5 water resistance and a secure fit for your Purity open-ear headphones. The headphones allow you to be aware of your surroundings, making them ideal for outdoor activities, running, cycling, or any other activity that requires situational awareness. Comfortable Longtime Wearing: These headphones are designed for comfort with lightweight, making them perfect for wearing for long periods of time. Environmental Noise Cancellation: Dual Microphones cancel all ambient background noise, while protecting your voice during calls. Powerful & Natural Sound: With two 15mm large high-quality speaker drivers, the Purity Open Ear Headphones provide you with more details of the music.