High Fidelity Audio - Use Bluetooth 4.2 to seamlessly stream all your favourite music, phone calls and audio content with tap-touch ear buds that are designed for comfort. Speech Amplification - Enhance speech in noisy restaurants, work events or partties; and you can adjust the volume in each ear independently. Dynamic Noise Control ƒ?? Selectively tune in or out the world around you with Super Intelligent Noise Control (SINC); select your preferred settings in a variety of locations / activities using IQbuds app. Blended Audio Worlds - Use the app to choose the best blend of your digital music and real world sounds around you for situational awareness; hear what you want to hear; Best-In-Class Battery Life ƒ?? 20 plus hours on-the-go Bluetooth streaming and 40 plus hours on-the-go Hearing Processing. Charge case hold 4 full charges. Sweat proof and water resistant too!